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icu_locale_core 2.3.0: icu_locale_core

검증된 샘플 — cargo icu_locale_core 2.3.0: icu_locale_core. rust 1 · linux alpine/x64 · docker에서 contract를 실행해 통과했습니다: locale macro constructs Locale at compile…

sha256:bcab54a943e091cd27a60494d9201c65c5b9d2028d53231c55767441f6fed197

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실행 증거

선언된 환경과 서명된 실행을 분리해 두었습니다. 이 샘플이 무엇을 어디서 실행했는지 그대로 볼 수 있습니다.

증거 기준
서명된 컨트랙트 통과
검증 영수증
1
빌드한 서명 키
1
선언된 환경 linux · alpine · musl x64 cargo

검증 실행 환경

환경 컨트랙트 단계 실행일
rust 1 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · cargo@1rust:1-alpine@sha256:a10e64dd139b…		 2026-09-20

케이스

HOW
목표
verify icu_locale_core in pkg:cargo/icu_locale_core@2.3.0
패키지
심벌
  • icu_locale_core
생성일
2026-09-20T13:14:36Z

컨트랙트

  1. locale macro constructs Locale at compile time for valid BCP 47 tags
  2. Locale parses valid language tags with language script and region subtags using try_from_str
  3. Locale rejects invalid language tags and invalid subtags returning ParseError
  4. Locale detects duplicated extensions and returns ParseError DuplicatedExtension
  5. Locale supports subtag modification and equality comparison against other Locale instances
  6. LanguageIdentifier represents base language tags without extensions and converts into Locale

파일

  • Cargo.lock
  • Cargo.toml
  • PROMPT.md
  • csx.json
  • spec.json
  • src/lib.rs
  • test/contract.rs

소스 아티팩트 내려받기 (tar.gz)

소스

Cargo.lock
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 4

[[package]]
name = "displaydoc"
version = "0.2.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c6232dd377dcc64799954cbd3a9bb882e9cdc1308ccd87b1c098f1fb2eaf82a8"
dependencies = [
 "proc-macro2",
 "quote",
 "syn",
]

[[package]]
name = "icu_locale_core"
version = "2.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d56e28588da92eee5c3201a6eff33fabdd49b62269c8938d4ff050ce4d900deb"
dependencies = [
 "displaydoc",
 "litemap",
 "serde",
 "tinystr",
 "writeable",
]

[[package]]
name = "litemap"
version = "0.8.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "47d9d19d1d6efa0109d2f65ff4c85cddd50bd572e5a00127ab10987290bcefae"

[[package]]
name = "proc-macro2"
version = "1.0.107"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "985e7ec9bb745e6ce6535b544d84d6cd6f7ad8bd711c398938ae983b91a766d9"
dependencies = [
 "unicode-ident",
]

[[package]]
name = "quote"
version = "1.0.47"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1fbf4db142a473a8d80c26bbf18454ed458bf8d26c8219c331daecfdbd079001"
dependencies = [
 "proc-macro2",
]

[[package]]
name = "sample-icu-locale-core"
version = "1.0.0"
dependencies = [
 "icu_locale_core",
]

[[package]]
name = "serde"
version = "1.0.229"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4148590afebada386688f18773da617792bf2ef03ffc1e4cbd2b1d45b023e0ba"
dependencies = [
 "serde_core",
 "serde_derive",
]

[[package]]
name = "serde_core"
version = "1.0.229"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "67dca2c9c51e58a4791a4b1ed58308b39c64224d349a935ab5039aa360942a48"
dependencies = [
 "serde_derive",
]

[[package]]
name = "serde_derive"
version = "1.0.229"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e7a5d71263a5a7d47b41f6b3f06ba276f10cc18b0931f1799f710578e2309348"
dependencies = [
 "proc-macro2",
 "quote",
 "syn",
]

[[package]]
name = "syn"
version = "3.0.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8593e8e72159ed2257d083c7a454a85cbf854f37a0966d8d483aff8c8a3ebcee"
dependencies = [
 "proc-macro2",
 "quote",
 "unicode-ident",
]

[[package]]
name = "tinystr"
version = "0.8.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b1e27c91459209c2986af3dcf603a5a74a4368754ce37414f59acc971167f643"
dependencies = [
 "displaydoc",
 "serde_core",
 "zerovec",
]

[[package]]
name = "unicode-ident"
version = "1.0.26"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d245f478577f809a851594d02313b640fb437e0bb33866753cff937863096954"

[[package]]
name = "writeable"
version = "0.6.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3ad82d2a33cdc9674dc7465672f271e096168fcdbe0f799d9e6db8c5892679dc"

[[package]]
name = "zerofrom"
version = "0.1.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0ec05a11813ea801ff6d75110ad09cd0824ddba17dfe17128ea0d5f68e6c5272"

[[package]]
name = "zerovec"
version = "0.11.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bb0464e17806c1d976d5cba29399c7f08e516e279e2ba493f63123b5fca67dd8"
dependencies = [
 "serde",
 "zerofrom",
]
Cargo.toml
[package]
name = "sample-icu-locale-core"
version = "1.0.0"
edition = "2021"
publish = false

[dependencies]
icu_locale_core = { version = "=2.3.0", features = ["alloc"] }

[[bin]]
name = "contract"
path = "test/contract.rs"
PROMPT.md
Clean-room public code sample — generation instructions

Write a brand-new, minimal, self-contained code sample in this clean-room directory.
Do not copy, paraphrase, or reference any existing project source. Work only from this spec.

A csx.json manifest scaffold already exists. Do not recreate it from memory. Preserve its case.goal, packages and symbols; fill its empty case.contract with exact assertions and correct its environment, commands and verifierAdapter for the files you generate.

Goal: verify icu_locale_core in pkg:cargo/icu_locale_core@2.3.0
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:cargo/icu_locale_core@2.3.0
Demonstrate these symbols/APIs:
  - icu_locale_core

Rules:
  - One focused purpose; the smallest project that proves the goal.
  - Include a contract test (test/contract.*) that runs OFFLINE and exits 0 exactly when the goal behavior works.
  - Pin every dependency with a lockfile so resolution is reproducible.
  - No secrets, credentials, or tokens. No real URLs (only example.com or localhost). No absolute paths.
  - No personal names, emails, company names, or project identifiers of any kind.
  - No binaries and no generated output (node_modules, dist, target, venv, .git, .env).
  - Keep it under 200 files and 256KB packed.
csx.json
{"case":{"caseId":"case:sha256:66d1d3b78ece28ce81720be55d7f1f367ffd7dbbf0d5d90a640aebd62a893f37","contract":["locale macro constructs Locale at compile time for valid BCP 47 tags","Locale parses valid language tags with language script and region subtags using try_from_str","Locale rejects invalid language tags and invalid subtags returning ParseError","Locale detects duplicated extensions and returns ParseError DuplicatedExtension","Locale supports subtag modification and equality comparison against other Locale instances","LanguageIdentifier represents base language tags without extensions and converts into Locale"],"goal":"verify icu_locale_core in pkg:cargo/icu_locale_core@2.3.0","kind":"HOW","packages":["pkg:cargo/icu_locale_core@2.3.0"],"schemaVersion":1,"symbols":["icu_locale_core"]},"contractCommand":["cargo","run","--offline"],"environment":{"arch":"x64","distro":"alpine","ecosystem":"cargo","libc":"musl","os":"linux","packageManager":"cargo","schemaVersion":1},"license":"MIT-0","packages":["pkg:cargo/icu_locale_core@2.3.0"],"schemaVersion":1,"subject":"pkg:cargo/icu_locale_core@2.3.0","symbols":["icu_locale_core"],"verifierAdapter":"cargo@1"}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify icu_locale_core in pkg:cargo/icu_locale_core@2.3.0",
  "kind": "HOW",
  "packages": [
    "pkg:cargo/icu_locale_core@2.3.0"
  ],
  "symbols": [
    "icu_locale_core"
  ]
}
src/lib.rs
//! Clean-room verification sample for icu_locale_core.

pub use icu_locale_core::*;
test/contract.rs
use icu_locale_core::{
    langid, locale,
    subtags::{language, region, script},
    LanguageIdentifier, Locale, ParseError,
};

fn main() {
    // 1. locale macro constructs Locale at compile time for valid BCP 47 tags
    let loc: Locale = locale!("en-US");
    assert_eq!(loc.id.language, language!("en"));
    assert_eq!(loc.id.script, None);
    assert_eq!(loc.id.region, Some(region!("US")));
    assert_eq!(loc.id.variants.len(), 0);

    // 2. Locale parses valid language tags with language script and region subtags using try_from_str
    let parsed: Result<Locale, ParseError> = Locale::try_from_str("zh-Hans-CN");
    assert!(parsed.is_ok());
    let parsed_loc = parsed.unwrap();
    assert_eq!(parsed_loc.id.language, language!("zh"));
    assert_eq!(parsed_loc.id.script, Some(script!("Hans")));
    assert_eq!(parsed_loc.id.region, Some(region!("CN")));

    // 3. Locale rejects invalid language tags and invalid subtags returning ParseError
    let invalid_lang = Locale::try_from_str("toolonglanguage");
    assert_eq!(invalid_lang, Err(ParseError::InvalidLanguage));

    let invalid_subtag = Locale::try_from_str("en-??");
    assert_eq!(invalid_subtag, Err(ParseError::InvalidSubtag));

    // 4. Locale detects duplicated extensions and returns ParseError DuplicatedExtension
    let dup_ext = Locale::try_from_str("und-u-hc-h12-u-ca-calendar");
    assert_eq!(dup_ext, Err(ParseError::DuplicatedExtension));

    // 5. Locale supports subtag modification and equality comparison against other Locale instances
    let mut modified = locale!("en-US");
    modified.id.region = Some(region!("GB"));
    assert_eq!(modified, locale!("en-GB"));

    // 6. LanguageIdentifier represents base language tags without extensions and converts into Locale
    let lang: LanguageIdentifier = langid!("fr-CA");
    assert_eq!(lang.language, language!("fr"));
    assert_eq!(lang.region, Some(region!("CA")));
    let loc_from_lang: Locale = lang.into();
    assert_eq!(loc_from_lang, locale!("fr-CA"));

    println!("All icu_locale_core contract assertions passed successfully.");
}

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