2019-11-14 16:43:07 -05:00
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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2021-07-29 14:26:40 -04:00
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2020-03-04 15:31:20 -05:00
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2021-06-21 12:46:38 -04:00
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2020-03-04 15:31:20 -05:00
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2021-06-21 12:46:38 -04:00
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2020-03-04 15:31:20 -05:00
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2021-06-21 12:46:38 -04:00
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2020-03-04 15:31:20 -05:00
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2020-03-04 15:31:20 -05:00
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2021-06-21 12:46:38 -04:00
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2020-03-04 15:31:20 -05:00
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2020-03-04 15:31:20 -05:00
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2021-06-21 12:46:38 -04:00
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2020-03-04 15:31:20 -05:00
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2019-12-23 23:26:42 -05:00
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2021-06-21 12:46:38 -04:00
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2019-12-23 23:26:42 -05:00
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2021-06-21 12:46:38 -04:00
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2019-12-23 23:26:42 -05:00
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tamer::sym: FNV => Fx Hash
For strings of any notable length, Fx Hash outperforms FNV. Rustc also
moved to this hash function and noticed performance
improvements. Fortunately, as was accounted for in the design, this was a
trivial switch.
Here are some benchmarks to back up that claim:
test hash_set::fnv::with_all_new_1000 ... bench: 133,096 ns/iter (+/- 1,430)
test hash_set::fnv::with_all_new_1000_with_capacity ... bench: 82,591 ns/iter (+/- 592)
test hash_set::fnv::with_all_new_rc_str_1000_baseline ... bench: 162,073 ns/iter (+/- 1,277)
test hash_set::fnv::with_one_new_1000 ... bench: 37,334 ns/iter (+/- 256)
test hash_set::fnv::with_one_new_rc_str_1000_baseline ... bench: 18,263 ns/iter (+/- 261)
test hash_set::fx::with_all_new_1000 ... bench: 85,217 ns/iter (+/- 1,111)
test hash_set::fx::with_all_new_1000_with_capacity ... bench: 59,383 ns/iter (+/- 752)
test hash_set::fx::with_all_new_rc_str_1000_baseline ... bench: 98,802 ns/iter (+/- 1,117)
test hash_set::fx::with_one_new_1000 ... bench: 42,484 ns/iter (+/- 1,239)
test hash_set::fx::with_one_new_rc_str_1000_baseline ... bench: 15,000 ns/iter (+/- 233)
test hash_set::with_all_new_1000 ... bench: 137,645 ns/iter (+/- 1,186)
test hash_set::with_all_new_rc_str_1000_baseline ... bench: 163,129 ns/iter (+/- 1,725)
test hash_set::with_one_new_1000 ... bench: 59,051 ns/iter (+/- 1,202)
test hash_set::with_one_new_rc_str_1000_baseline ... bench: 37,986 ns/iter (+/- 771)
2019-12-10 15:32:25 -05:00
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[[package]]
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name = "byteorder"
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2021-06-21 12:46:38 -04:00
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version = "1.4.3"
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tamer::sym: FNV => Fx Hash
For strings of any notable length, Fx Hash outperforms FNV. Rustc also
moved to this hash function and noticed performance
improvements. Fortunately, as was accounted for in the design, this was a
trivial switch.
Here are some benchmarks to back up that claim:
test hash_set::fnv::with_all_new_1000 ... bench: 133,096 ns/iter (+/- 1,430)
test hash_set::fnv::with_all_new_1000_with_capacity ... bench: 82,591 ns/iter (+/- 592)
test hash_set::fnv::with_all_new_rc_str_1000_baseline ... bench: 162,073 ns/iter (+/- 1,277)
test hash_set::fnv::with_one_new_1000 ... bench: 37,334 ns/iter (+/- 256)
test hash_set::fnv::with_one_new_rc_str_1000_baseline ... bench: 18,263 ns/iter (+/- 261)
test hash_set::fx::with_all_new_1000 ... bench: 85,217 ns/iter (+/- 1,111)
test hash_set::fx::with_all_new_1000_with_capacity ... bench: 59,383 ns/iter (+/- 752)
test hash_set::fx::with_all_new_rc_str_1000_baseline ... bench: 98,802 ns/iter (+/- 1,117)
test hash_set::fx::with_one_new_1000 ... bench: 42,484 ns/iter (+/- 1,239)
test hash_set::fx::with_one_new_rc_str_1000_baseline ... bench: 15,000 ns/iter (+/- 233)
test hash_set::with_all_new_1000 ... bench: 137,645 ns/iter (+/- 1,186)
test hash_set::with_all_new_rc_str_1000_baseline ... bench: 163,129 ns/iter (+/- 1,725)
test hash_set::with_one_new_1000 ... bench: 59,051 ns/iter (+/- 1,202)
test hash_set::with_one_new_rc_str_1000_baseline ... bench: 37,986 ns/iter (+/- 771)
2019-12-10 15:32:25 -05:00
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source = "registry+https://github.com/rust-lang/crates.io-index"
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2021-06-21 12:46:38 -04:00
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checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
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tamer::sym: FNV => Fx Hash
For strings of any notable length, Fx Hash outperforms FNV. Rustc also
moved to this hash function and noticed performance
improvements. Fortunately, as was accounted for in the design, this was a
trivial switch.
Here are some benchmarks to back up that claim:
test hash_set::fnv::with_all_new_1000 ... bench: 133,096 ns/iter (+/- 1,430)
test hash_set::fnv::with_all_new_1000_with_capacity ... bench: 82,591 ns/iter (+/- 592)
test hash_set::fnv::with_all_new_rc_str_1000_baseline ... bench: 162,073 ns/iter (+/- 1,277)
test hash_set::fnv::with_one_new_1000 ... bench: 37,334 ns/iter (+/- 256)
test hash_set::fnv::with_one_new_rc_str_1000_baseline ... bench: 18,263 ns/iter (+/- 261)
test hash_set::fx::with_all_new_1000 ... bench: 85,217 ns/iter (+/- 1,111)
test hash_set::fx::with_all_new_1000_with_capacity ... bench: 59,383 ns/iter (+/- 752)
test hash_set::fx::with_all_new_rc_str_1000_baseline ... bench: 98,802 ns/iter (+/- 1,117)
test hash_set::fx::with_one_new_1000 ... bench: 42,484 ns/iter (+/- 1,239)
test hash_set::fx::with_one_new_rc_str_1000_baseline ... bench: 15,000 ns/iter (+/- 233)
test hash_set::with_all_new_1000 ... bench: 137,645 ns/iter (+/- 1,186)
test hash_set::with_all_new_rc_str_1000_baseline ... bench: 163,129 ns/iter (+/- 1,725)
test hash_set::with_one_new_1000 ... bench: 59,051 ns/iter (+/- 1,202)
test hash_set::with_one_new_rc_str_1000_baseline ... bench: 37,986 ns/iter (+/- 771)
2019-12-10 15:32:25 -05:00
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2020-03-04 15:31:20 -05:00
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name = "difference"
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2020-03-04 15:31:20 -05:00
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2020-03-04 15:31:20 -05:00
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2020-03-04 15:31:20 -05:00
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2019-11-27 13:48:00 -05:00
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2019-11-27 13:48:00 -05:00
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2019-11-27 13:48:00 -05:00
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2020-03-04 15:31:20 -05:00
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2021-06-21 12:46:38 -04:00
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2020-03-04 15:31:20 -05:00
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2021-06-21 12:46:38 -04:00
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2020-03-04 15:31:20 -05:00
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2021-06-21 12:46:38 -04:00
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2020-03-04 15:31:20 -05:00
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]
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2019-12-06 15:03:29 -05:00
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[[package]]
|
tamer::sym: FNV => Fx Hash
For strings of any notable length, Fx Hash outperforms FNV. Rustc also
moved to this hash function and noticed performance
improvements. Fortunately, as was accounted for in the design, this was a
trivial switch.
Here are some benchmarks to back up that claim:
test hash_set::fnv::with_all_new_1000 ... bench: 133,096 ns/iter (+/- 1,430)
test hash_set::fnv::with_all_new_1000_with_capacity ... bench: 82,591 ns/iter (+/- 592)
test hash_set::fnv::with_all_new_rc_str_1000_baseline ... bench: 162,073 ns/iter (+/- 1,277)
test hash_set::fnv::with_one_new_1000 ... bench: 37,334 ns/iter (+/- 256)
test hash_set::fnv::with_one_new_rc_str_1000_baseline ... bench: 18,263 ns/iter (+/- 261)
test hash_set::fx::with_all_new_1000 ... bench: 85,217 ns/iter (+/- 1,111)
test hash_set::fx::with_all_new_1000_with_capacity ... bench: 59,383 ns/iter (+/- 752)
test hash_set::fx::with_all_new_rc_str_1000_baseline ... bench: 98,802 ns/iter (+/- 1,117)
test hash_set::fx::with_one_new_1000 ... bench: 42,484 ns/iter (+/- 1,239)
test hash_set::fx::with_one_new_rc_str_1000_baseline ... bench: 15,000 ns/iter (+/- 233)
test hash_set::with_all_new_1000 ... bench: 137,645 ns/iter (+/- 1,186)
test hash_set::with_all_new_rc_str_1000_baseline ... bench: 163,129 ns/iter (+/- 1,725)
test hash_set::with_one_new_1000 ... bench: 59,051 ns/iter (+/- 1,202)
test hash_set::with_one_new_rc_str_1000_baseline ... bench: 37,986 ns/iter (+/- 771)
2019-12-10 15:32:25 -05:00
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name = "fxhash"
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version = "0.2.1"
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2019-12-06 15:03:29 -05:00
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2021-06-21 12:46:38 -04:00
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checksum = "c31b6d751ae2c7f11320402d34e41349dd1016f8d5d45e48c4312bc8625af50c"
|
tamer::sym: FNV => Fx Hash
For strings of any notable length, Fx Hash outperforms FNV. Rustc also
moved to this hash function and noticed performance
improvements. Fortunately, as was accounted for in the design, this was a
trivial switch.
Here are some benchmarks to back up that claim:
test hash_set::fnv::with_all_new_1000 ... bench: 133,096 ns/iter (+/- 1,430)
test hash_set::fnv::with_all_new_1000_with_capacity ... bench: 82,591 ns/iter (+/- 592)
test hash_set::fnv::with_all_new_rc_str_1000_baseline ... bench: 162,073 ns/iter (+/- 1,277)
test hash_set::fnv::with_one_new_1000 ... bench: 37,334 ns/iter (+/- 256)
test hash_set::fnv::with_one_new_rc_str_1000_baseline ... bench: 18,263 ns/iter (+/- 261)
test hash_set::fx::with_all_new_1000 ... bench: 85,217 ns/iter (+/- 1,111)
test hash_set::fx::with_all_new_1000_with_capacity ... bench: 59,383 ns/iter (+/- 752)
test hash_set::fx::with_all_new_rc_str_1000_baseline ... bench: 98,802 ns/iter (+/- 1,117)
test hash_set::fx::with_one_new_1000 ... bench: 42,484 ns/iter (+/- 1,239)
test hash_set::fx::with_one_new_rc_str_1000_baseline ... bench: 15,000 ns/iter (+/- 233)
test hash_set::with_all_new_1000 ... bench: 137,645 ns/iter (+/- 1,186)
test hash_set::with_all_new_rc_str_1000_baseline ... bench: 163,129 ns/iter (+/- 1,725)
test hash_set::with_one_new_1000 ... bench: 59,051 ns/iter (+/- 1,202)
test hash_set::with_one_new_rc_str_1000_baseline ... bench: 37,986 ns/iter (+/- 771)
2019-12-10 15:32:25 -05:00
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dependencies = [
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2021-06-21 12:46:38 -04:00
|
|
|
"byteorder",
|
tamer::sym: FNV => Fx Hash
For strings of any notable length, Fx Hash outperforms FNV. Rustc also
moved to this hash function and noticed performance
improvements. Fortunately, as was accounted for in the design, this was a
trivial switch.
Here are some benchmarks to back up that claim:
test hash_set::fnv::with_all_new_1000 ... bench: 133,096 ns/iter (+/- 1,430)
test hash_set::fnv::with_all_new_1000_with_capacity ... bench: 82,591 ns/iter (+/- 592)
test hash_set::fnv::with_all_new_rc_str_1000_baseline ... bench: 162,073 ns/iter (+/- 1,277)
test hash_set::fnv::with_one_new_1000 ... bench: 37,334 ns/iter (+/- 256)
test hash_set::fnv::with_one_new_rc_str_1000_baseline ... bench: 18,263 ns/iter (+/- 261)
test hash_set::fx::with_all_new_1000 ... bench: 85,217 ns/iter (+/- 1,111)
test hash_set::fx::with_all_new_1000_with_capacity ... bench: 59,383 ns/iter (+/- 752)
test hash_set::fx::with_all_new_rc_str_1000_baseline ... bench: 98,802 ns/iter (+/- 1,117)
test hash_set::fx::with_one_new_1000 ... bench: 42,484 ns/iter (+/- 1,239)
test hash_set::fx::with_one_new_rc_str_1000_baseline ... bench: 15,000 ns/iter (+/- 233)
test hash_set::with_all_new_1000 ... bench: 137,645 ns/iter (+/- 1,186)
test hash_set::with_all_new_rc_str_1000_baseline ... bench: 163,129 ns/iter (+/- 1,725)
test hash_set::with_one_new_1000 ... bench: 59,051 ns/iter (+/- 1,202)
test hash_set::with_one_new_rc_str_1000_baseline ... bench: 37,986 ns/iter (+/- 771)
2019-12-10 15:32:25 -05:00
|
|
|
]
|
2019-12-06 15:03:29 -05:00
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2020-03-04 15:31:20 -05:00
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2021-06-21 12:46:38 -04:00
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2020-03-04 15:31:20 -05:00
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2021-06-21 12:46:38 -04:00
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2020-03-04 15:31:20 -05:00
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2021-06-21 12:46:38 -04:00
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2020-04-28 16:14:35 -04:00
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2021-06-21 12:46:38 -04:00
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2020-04-28 16:14:35 -04:00
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2021-06-21 12:46:38 -04:00
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2020-04-28 16:14:35 -04:00
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2021-06-21 12:46:38 -04:00
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"autocfg",
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2020-04-28 16:14:35 -04:00
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2020-03-04 15:31:20 -05:00
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2021-06-21 12:46:38 -04:00
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2020-03-04 15:31:20 -05:00
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2020-03-04 15:31:20 -05:00
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2020-03-04 15:31:20 -05:00
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2019-11-27 09:16:00 -05:00
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[[package]]
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2021-06-21 12:46:38 -04:00
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2019-11-27 09:16:00 -05:00
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2021-06-21 12:46:38 -04:00
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2019-11-27 09:16:00 -05:00
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2020-03-04 15:31:20 -05:00
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[[package]]
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|
name = "normalize-line-endings"
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|
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|
version = "0.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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2021-06-21 12:46:38 -04:00
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checksum = "61807f77802ff30975e01f4f071c8ba10c022052f98b3294119f3e615d13e5be"
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2020-03-04 15:31:20 -05:00
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|
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|
[[package]]
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|
name = "num-traits"
|
2021-06-21 12:46:38 -04:00
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|
version = "0.2.14"
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2020-03-04 15:31:20 -05:00
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source = "registry+https://github.com/rust-lang/crates.io-index"
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2021-06-21 12:46:38 -04:00
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checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
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2020-03-04 15:31:20 -05:00
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|
|
dependencies = [
|
2021-06-21 12:46:38 -04:00
|
|
|
"autocfg",
|
2020-03-04 15:31:20 -05:00
|
|
|
]
|
|
|
|
|
2021-09-20 16:46:16 -04:00
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|
|
[[package]]
|
|
|
|
name = "paste"
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|
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version = "1.0.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "acbf547ad0c65e31259204bd90935776d1c693cec2f4ff7abb7a1bbbd40dfe58"
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|
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|
2019-11-27 13:48:00 -05:00
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|
|
[[package]]
|
|
|
|
name = "petgraph"
|
2021-06-21 12:46:38 -04:00
|
|
|
version = "0.5.1"
|
2019-11-27 13:48:00 -05:00
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|
|
source = "registry+https://github.com/rust-lang/crates.io-index"
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2021-06-21 12:46:38 -04:00
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checksum = "467d164a6de56270bd7c4d070df81d07beace25012d5103ced4e9ff08d6afdb7"
|
2019-11-27 13:48:00 -05:00
|
|
|
dependencies = [
|
2021-06-21 12:46:38 -04:00
|
|
|
"fixedbitset",
|
|
|
|
"indexmap",
|
2019-11-27 13:48:00 -05:00
|
|
|
]
|
|
|
|
|
2020-04-30 14:33:10 -04:00
|
|
|
[[package]]
|
|
|
|
name = "petgraph-graphml"
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|
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|
version = "2.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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2021-06-21 12:46:38 -04:00
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checksum = "f1a24b19072d6f11cec958e21af7f80d45ee135e9d459b7703510aaf0550b47b"
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2020-04-30 14:33:10 -04:00
|
|
|
dependencies = [
|
2021-06-21 12:46:38 -04:00
|
|
|
"petgraph",
|
|
|
|
"xml-rs",
|
2020-04-30 14:33:10 -04:00
|
|
|
]
|
|
|
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|
2020-03-04 15:31:20 -05:00
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|
|
[[package]]
|
|
|
|
name = "predicates"
|
2021-06-21 12:46:38 -04:00
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|
|
version = "1.0.8"
|
2020-03-04 15:31:20 -05:00
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source = "registry+https://github.com/rust-lang/crates.io-index"
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2021-06-21 12:46:38 -04:00
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checksum = "f49cfaf7fdaa3bfacc6fa3e7054e65148878354a5cfddcf661df4c851f8021df"
|
2020-03-04 15:31:20 -05:00
|
|
|
dependencies = [
|
2021-06-21 12:46:38 -04:00
|
|
|
"difference",
|
|
|
|
"float-cmp",
|
|
|
|
"normalize-line-endings",
|
|
|
|
"predicates-core",
|
|
|
|
"regex",
|
2020-03-04 15:31:20 -05:00
|
|
|
]
|
|
|
|
|
|
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|
[[package]]
|
|
|
|
name = "predicates-core"
|
2021-06-21 12:46:38 -04:00
|
|
|
version = "1.0.2"
|
2020-03-04 15:31:20 -05:00
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source = "registry+https://github.com/rust-lang/crates.io-index"
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2021-06-21 12:46:38 -04:00
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checksum = "57e35a3326b75e49aa85f5dc6ec15b41108cf5aee58eabb1f274dd18b73c2451"
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2020-03-04 15:31:20 -05:00
|
|
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|
[[package]]
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|
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|
name = "predicates-tree"
|
2021-06-21 12:46:38 -04:00
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|
|
version = "1.0.2"
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2020-03-04 15:31:20 -05:00
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source = "registry+https://github.com/rust-lang/crates.io-index"
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2021-06-21 12:46:38 -04:00
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checksum = "15f553275e5721409451eb85e15fd9a860a6e5ab4496eb215987502b5f5391f2"
|
2020-03-04 15:31:20 -05:00
|
|
|
dependencies = [
|
2021-06-21 12:46:38 -04:00
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|
|
"predicates-core",
|
|
|
|
"treeline",
|
2020-03-04 15:31:20 -05:00
|
|
|
]
|
|
|
|
|
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|
[[package]]
|
|
|
|
name = "proc-macro2"
|
2021-06-21 12:46:38 -04:00
|
|
|
version = "1.0.27"
|
2020-03-04 15:31:20 -05:00
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source = "registry+https://github.com/rust-lang/crates.io-index"
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2021-06-21 12:46:38 -04:00
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checksum = "f0d8caf72986c1a598726adc988bb5984792ef84f5ee5aa50209145ee8077038"
|
2020-03-04 15:31:20 -05:00
|
|
|
dependencies = [
|
2021-06-21 12:46:38 -04:00
|
|
|
"unicode-xid",
|
2020-03-04 15:31:20 -05:00
|
|
|
]
|
|
|
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|
2019-11-27 09:16:00 -05:00
|
|
|
[[package]]
|
|
|
|
name = "quick-xml"
|
tamer: xir::XirString: WIP implementation (likely going away)
I'm not fond of this implementation, which is why it's not fully
completed. I wanted to commit this for future reference, and take the
opportunity to explain why I don't like it.
First: this task started as an idea to implement a third variant to
AttrValue and friends that indicates that a value is fixed, in the sense of
a fixed-point function: escaped or unescaped, its value is the same. This
would allow us to skip wasteful escape/unescape operations.
In doing so, it became obvious that there's no need to leak this information
through the API, and indeed, no part of the system should care. When we
read XML, it should be unescaped, and when we write, it should be
escaped. The reason that this didn't quite happen to begin with was an
optimization: I'll be creating an echo writer in place of the current
filesystem-based copy in tamec shortly, and this would allow streaming XIR
directly from the reader to the writer without any unescaping or
re-escaping.
When we unescape, we know the value that it came from, so we could simply
store both symbols---they're 32-bit, so it results in a nicely compressed
64-bit value, so it's essentially cost-free, as long as we accept the
expense of internment. This is `XirString`. Then, when we want to escape
or unescape, we first check to see whether a symbol already exists and, if
so, use it.
While this works well for echoing streams, it won't work all that well in
practice: the unescaped SymbolId will be taken and the XirString discarded,
since nothing after XIR should be coupled with it. Then, when we later
construct a XIR stream for writting, XirString will no longer be available
and our previously known escape is lost, so the writer will have to
re-escape.
Further, if we look at XirString's generic for the XirStringEscaper---it
uses phantom, which hints that maybe it's not in the best place. Indeed,
I've already acknowledged that only a reader unescapes and only a writer
escapes, and that the rest of the system works with normal (unescaped)
values, so only readers and writers should be part of this process. I also
already acknowledged that XirString would be lost and only the unescaped
SymbolId would be used.
So what's the point of XirString, then, if it won't be a useful optimization
beyond the temporary echo writer?
Instead, we can take the XirStringWriter and implement two caches on that:
mapping SymbolId from escaped->unescaped and vice-versa. These can be
simple vectors, since SymbolId is a 32-bit value we will not have much
wasted space for symbols that never get read or written. We could even
optimize for preinterned symbols using markers, though I'll probably not do
so, and I'll explain why later.
If we do _that_, we get even _better_ optimizations through caching that
_will_ apply in the general case (so, not just for echo), and we're able to
ditch XirString entirely and simply use a SymbolId. This makes for a much
more friendly API that isn't leaking implementation details, though it
_does_ put an onus on the caller to pass the encoder to both the reader and
the writer, _if_ it wants to take advantage of a cache. But that burden is
not significant (and is, again, optional if we don't want it).
So, that'll be the next step.
2021-11-10 09:42:18 -05:00
|
|
|
version = "0.23.0-alpha3"
|
2019-11-27 09:16:00 -05:00
|
|
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
tamer: xir::XirString: WIP implementation (likely going away)
I'm not fond of this implementation, which is why it's not fully
completed. I wanted to commit this for future reference, and take the
opportunity to explain why I don't like it.
First: this task started as an idea to implement a third variant to
AttrValue and friends that indicates that a value is fixed, in the sense of
a fixed-point function: escaped or unescaped, its value is the same. This
would allow us to skip wasteful escape/unescape operations.
In doing so, it became obvious that there's no need to leak this information
through the API, and indeed, no part of the system should care. When we
read XML, it should be unescaped, and when we write, it should be
escaped. The reason that this didn't quite happen to begin with was an
optimization: I'll be creating an echo writer in place of the current
filesystem-based copy in tamec shortly, and this would allow streaming XIR
directly from the reader to the writer without any unescaping or
re-escaping.
When we unescape, we know the value that it came from, so we could simply
store both symbols---they're 32-bit, so it results in a nicely compressed
64-bit value, so it's essentially cost-free, as long as we accept the
expense of internment. This is `XirString`. Then, when we want to escape
or unescape, we first check to see whether a symbol already exists and, if
so, use it.
While this works well for echoing streams, it won't work all that well in
practice: the unescaped SymbolId will be taken and the XirString discarded,
since nothing after XIR should be coupled with it. Then, when we later
construct a XIR stream for writting, XirString will no longer be available
and our previously known escape is lost, so the writer will have to
re-escape.
Further, if we look at XirString's generic for the XirStringEscaper---it
uses phantom, which hints that maybe it's not in the best place. Indeed,
I've already acknowledged that only a reader unescapes and only a writer
escapes, and that the rest of the system works with normal (unescaped)
values, so only readers and writers should be part of this process. I also
already acknowledged that XirString would be lost and only the unescaped
SymbolId would be used.
So what's the point of XirString, then, if it won't be a useful optimization
beyond the temporary echo writer?
Instead, we can take the XirStringWriter and implement two caches on that:
mapping SymbolId from escaped->unescaped and vice-versa. These can be
simple vectors, since SymbolId is a 32-bit value we will not have much
wasted space for symbols that never get read or written. We could even
optimize for preinterned symbols using markers, though I'll probably not do
so, and I'll explain why later.
If we do _that_, we get even _better_ optimizations through caching that
_will_ apply in the general case (so, not just for echo), and we're able to
ditch XirString entirely and simply use a SymbolId. This makes for a much
more friendly API that isn't leaking implementation details, though it
_does_ put an onus on the caller to pass the encoder to both the reader and
the writer, _if_ it wants to take advantage of a cache. But that burden is
not significant (and is, again, optional if we don't want it).
So, that'll be the next step.
2021-11-10 09:42:18 -05:00
|
|
|
checksum = "e6c002cfafa1de674ef8557e3dbf2ad8c03ac8eb3d162672411b1b7fb4d272ef"
|
2019-11-27 09:16:00 -05:00
|
|
|
dependencies = [
|
2021-06-21 12:46:38 -04:00
|
|
|
"memchr",
|
2019-11-27 09:16:00 -05:00
|
|
|
]
|
|
|
|
|
2020-03-04 15:31:20 -05:00
|
|
|
[[package]]
|
|
|
|
name = "quote"
|
2021-06-21 12:46:38 -04:00
|
|
|
version = "1.0.9"
|
2020-03-04 15:31:20 -05:00
|
|
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
2021-06-21 12:46:38 -04:00
|
|
|
checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
|
2020-03-04 15:31:20 -05:00
|
|
|
dependencies = [
|
2021-06-21 12:46:38 -04:00
|
|
|
"proc-macro2",
|
2020-03-04 15:31:20 -05:00
|
|
|
]
|
|
|
|
|
|
|
|
[[package]]
|
|
|
|
name = "regex"
|
2021-06-21 12:46:38 -04:00
|
|
|
version = "1.5.4"
|
2020-03-04 15:31:20 -05:00
|
|
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
2021-06-21 12:46:38 -04:00
|
|
|
checksum = "d07a8629359eb56f1e2fb1652bb04212c072a87ba68546a04065d525673ac461"
|
2020-03-04 15:31:20 -05:00
|
|
|
dependencies = [
|
2021-06-21 12:46:38 -04:00
|
|
|
"aho-corasick",
|
|
|
|
"memchr",
|
|
|
|
"regex-syntax",
|
2020-03-04 15:31:20 -05:00
|
|
|
]
|
|
|
|
|
|
|
|
[[package]]
|
|
|
|
name = "regex-syntax"
|
2021-06-21 12:46:38 -04:00
|
|
|
version = "0.6.25"
|
2020-03-04 15:31:20 -05:00
|
|
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
2021-06-21 12:46:38 -04:00
|
|
|
checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
|
2020-03-04 15:31:20 -05:00
|
|
|
|
|
|
|
[[package]]
|
|
|
|
name = "ryu"
|
2021-06-21 12:46:38 -04:00
|
|
|
version = "1.0.5"
|
2020-03-04 15:31:20 -05:00
|
|
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
2021-06-21 12:46:38 -04:00
|
|
|
checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
|
2020-03-04 15:31:20 -05:00
|
|
|
|
|
|
|
[[package]]
|
|
|
|
name = "serde"
|
2021-06-21 12:46:38 -04:00
|
|
|
version = "1.0.126"
|
2020-03-04 15:31:20 -05:00
|
|
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
2021-06-21 12:46:38 -04:00
|
|
|
checksum = "ec7505abeacaec74ae4778d9d9328fe5a5d04253220a85c4ee022239fc996d03"
|
2020-03-04 15:31:20 -05:00
|
|
|
dependencies = [
|
2021-06-21 12:46:38 -04:00
|
|
|
"serde_derive",
|
2020-03-04 15:31:20 -05:00
|
|
|
]
|
|
|
|
|
|
|
|
[[package]]
|
|
|
|
name = "serde_derive"
|
2021-06-21 12:46:38 -04:00
|
|
|
version = "1.0.126"
|
2020-03-04 15:31:20 -05:00
|
|
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
2021-06-21 12:46:38 -04:00
|
|
|
checksum = "963a7dbc9895aeac7ac90e74f34a5d5261828f79df35cbed41e10189d3804d43"
|
2020-03-04 15:31:20 -05:00
|
|
|
dependencies = [
|
2021-06-21 12:46:38 -04:00
|
|
|
"proc-macro2",
|
|
|
|
"quote",
|
|
|
|
"syn",
|
2020-03-04 15:31:20 -05:00
|
|
|
]
|
|
|
|
|
|
|
|
[[package]]
|
|
|
|
name = "serde_json"
|
2021-06-21 12:46:38 -04:00
|
|
|
version = "1.0.64"
|
2020-03-04 15:31:20 -05:00
|
|
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
2021-06-21 12:46:38 -04:00
|
|
|
checksum = "799e97dc9fdae36a5c8b8f2cae9ce2ee9fdce2058c57a93e6099d919fd982f79"
|
2020-03-04 15:31:20 -05:00
|
|
|
dependencies = [
|
2021-06-21 12:46:38 -04:00
|
|
|
"itoa",
|
|
|
|
"ryu",
|
|
|
|
"serde",
|
2020-03-04 15:31:20 -05:00
|
|
|
]
|
|
|
|
|
2021-07-29 14:26:40 -04:00
|
|
|
[[package]]
|
|
|
|
name = "static_assertions"
|
|
|
|
version = "1.1.0"
|
|
|
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
|
|
|
checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
|
|
|
|
|
2020-03-04 15:31:20 -05:00
|
|
|
[[package]]
|
|
|
|
name = "syn"
|
2021-06-21 12:46:38 -04:00
|
|
|
version = "1.0.73"
|
2020-03-04 15:31:20 -05:00
|
|
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
2021-06-21 12:46:38 -04:00
|
|
|
checksum = "f71489ff30030d2ae598524f61326b902466f72a0fb1a8564c001cc63425bcc7"
|
2020-03-04 15:31:20 -05:00
|
|
|
dependencies = [
|
2021-06-21 12:46:38 -04:00
|
|
|
"proc-macro2",
|
|
|
|
"quote",
|
|
|
|
"unicode-xid",
|
2020-03-04 15:31:20 -05:00
|
|
|
]
|
|
|
|
|
2019-11-14 16:43:07 -05:00
|
|
|
[[package]]
|
|
|
|
name = "tamer"
|
|
|
|
version = "0.0.0"
|
2019-11-27 09:16:00 -05:00
|
|
|
dependencies = [
|
2021-09-28 14:52:31 -04:00
|
|
|
"arrayvec",
|
2021-06-21 12:46:38 -04:00
|
|
|
"assert_cmd",
|
|
|
|
"bumpalo",
|
|
|
|
"exitcode",
|
|
|
|
"fxhash",
|
|
|
|
"getopts",
|
|
|
|
"lazy_static",
|
tamer: memchr benches
This adds benchmarking for the memchr crate. It is used primarily by
quick-xml at the moment, but the question is whether to rely on it for
certain operations for XIR.
The benchmarking on an Intel Xeon system shows that memchr and Rust's
contains() perform very similarly on small inputs, matching against a single
character, and so Rust's built-in should be preferred in that case so that
we're using APIs that are familiar to most people.
When larger inputs are compared against, there's a greater benefit (a little
under ~2x).
When comparing against two characters, they are again very close. But look
at when we compare two characters against _multiple_ inputs:
running 24 tests
test large_str::one::memchr_early_match ... bench: 4,938 ns/iter (+/- 124)
test large_str::one::memchr_late_match ... bench: 81,807 ns/iter (+/- 1,153)
test large_str::one::memchr_non_match ... bench: 82,074 ns/iter (+/- 1,062)
test large_str::one::rust_contains_one_byte_early_match ... bench: 9,425 ns/iter (+/- 167)
test large_str::one::rust_contains_one_byte_late_match ... bench: 123,685 ns/iter (+/- 3,728)
test large_str::one::rust_contains_one_byte_non_match ... bench: 123,117 ns/iter (+/- 2,200)
test large_str::one::rust_contains_one_char_early_match ... bench: 9,561 ns/iter (+/- 507)
test large_str::one::rust_contains_one_char_late_match ... bench: 123,929 ns/iter (+/- 2,377)
test large_str::one::rust_contains_one_char_non_match ... bench: 122,989 ns/iter (+/- 2,788)
test large_str::two::memchr2_early_match ... bench: 5,704 ns/iter (+/- 91)
test large_str::two::memchr2_late_match ... bench: 89,194 ns/iter (+/- 8,546)
test large_str::two::memchr2_non_match ... bench: 85,649 ns/iter (+/- 3,879)
test large_str::two::rust_contains_two_char_early_match ... bench: 66,785 ns/iter (+/- 3,385)
test large_str::two::rust_contains_two_char_late_match ... bench: 2,148,064 ns/iter (+/- 21,812)
test large_str::two::rust_contains_two_char_non_match ... bench: 2,322,082 ns/iter (+/- 22,947)
test small_str::one::memchr_mid_match ... bench: 4,737 ns/iter (+/- 842)
test small_str::one::memchr_non_match ... bench: 5,160 ns/iter (+/- 62)
test small_str::one::rust_contains_one_byte_non_match ... bench: 3,930 ns/iter (+/- 35)
test small_str::one::rust_contains_one_char_mid_match ... bench: 3,677 ns/iter (+/- 618)
test small_str::one::rust_contains_one_char_non_match ... bench: 5,415 ns/iter (+/- 221)
test small_str::two::memchr2_mid_match ... bench: 5,488 ns/iter (+/- 888)
test small_str::two::memchr2_non_match ... bench: 6,788 ns/iter (+/- 134)
test small_str::two::rust_contains_two_char_mid_match ... bench: 6,203 ns/iter (+/- 170)
test small_str::two::rust_contains_two_char_non_match ... bench: 7,853 ns/iter (+/- 713)
Yikes.
With that said, we won't be comparing against such large inputs
short-term. The larger strings (fragments) are copied verbatim, and not
compared against---but they _were_ prior to the previous commit that stopped
unencoding and re-encoding.
So: Rust built-ins for inputs that are expected to be small.
2021-08-18 14:18:24 -04:00
|
|
|
"memchr",
|
2021-09-20 16:46:16 -04:00
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|
|
"paste",
|
2021-06-21 12:46:38 -04:00
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|
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"petgraph",
|
|
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"petgraph-graphml",
|
|
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|
"predicates",
|
|
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|
"quick-xml",
|
2021-07-29 14:26:40 -04:00
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"static_assertions",
|
2020-03-04 15:31:20 -05:00
|
|
|
]
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|
|
|
|
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[[package]]
|
|
|
|
name = "treeline"
|
|
|
|
version = "0.1.0"
|
|
|
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
2021-06-21 12:46:38 -04:00
|
|
|
checksum = "a7f741b240f1a48843f9b8e0444fb55fb2a4ff67293b50a9179dfd5ea67f8d41"
|
2020-03-04 15:31:20 -05:00
|
|
|
|
|
|
|
[[package]]
|
|
|
|
name = "unicode-width"
|
2021-06-21 12:46:38 -04:00
|
|
|
version = "0.1.8"
|
2020-03-04 15:31:20 -05:00
|
|
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
2021-06-21 12:46:38 -04:00
|
|
|
checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
|
2020-03-04 15:31:20 -05:00
|
|
|
|
|
|
|
[[package]]
|
|
|
|
name = "unicode-xid"
|
2021-06-21 12:46:38 -04:00
|
|
|
version = "0.2.2"
|
2020-03-04 15:31:20 -05:00
|
|
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
2021-06-21 12:46:38 -04:00
|
|
|
checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
|
2020-03-04 15:31:20 -05:00
|
|
|
|
2020-04-30 14:33:10 -04:00
|
|
|
[[package]]
|
|
|
|
name = "xml-rs"
|
|
|
|
version = "0.8.3"
|
|
|
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
2021-06-21 12:46:38 -04:00
|
|
|
checksum = "b07db065a5cf61a7e4ba64f29e67db906fb1787316516c4e6e5ff0fea1efcd8a"
|