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icu_locale_core 2.3.0: icu_locale_core::locale

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

sha256:0c15e861645a7080723e9431ab5fcbc16820d624a856b72ad0bf249ec892da7b

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실행 증거

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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::locale in pkg:cargo/icu_locale_core@2.3.0
패키지
심벌
  • icu_locale_core::locale
생성일
2026-09-20T15:07:11Z

컨트랙트

  1. locale macro constructs Locale at compile time for valid language tags
  2. locale macro normalizes casing across language, script, and region subtags
  3. locale macro supports single variant subtag
  4. locale macro supports single unicode extension keyword
  5. locale macro produces Locale matching runtime parsed Locale
  6. locale macro constructs unknown locale for und tag matching Locale::UNKNOWN

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"
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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"
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checksum = "e7a5d71263a5a7d47b41f6b3f06ba276f10cc18b0931f1799f710578e2309348"
dependencies = [
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 "quote",
 "syn",
]

[[package]]
name = "syn"
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checksum = "8593e8e72159ed2257d083c7a454a85cbf854f37a0966d8d483aff8c8a3ebcee"
dependencies = [
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 "quote",
 "unicode-ident",
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[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b1e27c91459209c2986af3dcf603a5a74a4368754ce37414f59acc971167f643"
dependencies = [
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[[package]]
name = "unicode-ident"
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[[package]]
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[[package]]
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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::locale 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::locale

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:sha256:4c277dc0ddfd131f15959dbd95f1903dece3179a1d1b482e03d0d3821405c210","contract":["locale macro constructs Locale at compile time for valid language tags","locale macro normalizes casing across language, script, and region subtags","locale macro supports single variant subtag","locale macro supports single unicode extension keyword","locale macro produces Locale matching runtime parsed Locale","locale macro constructs unknown locale for und tag matching Locale::UNKNOWN"],"goal":"verify icu_locale_core::locale 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::locale"]},"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::locale"],"verifierAdapter":"cargo@1"}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify icu_locale_core::locale in pkg:cargo/icu_locale_core@2.3.0",
  "kind": "HOW",
  "packages": [
    "pkg:cargo/icu_locale_core@2.3.0"
  ],
  "symbols": [
    "icu_locale_core::locale"
  ]
}
src/lib.rs
//! Clean-room verification sample for icu_locale_core::locale macro.

pub use icu_locale_core::*;
test/contract.rs
use icu_locale_core::{
    extensions::unicode::{key, value},
    locale,
    subtags::{language, region, script, variant},
    Locale,
};

fn main() {
    // 1. locale macro constructs Locale at compile time for valid language tags
    const EN_US: Locale = locale!("en-US");
    assert_eq!(EN_US.id.language, language!("en"));
    assert_eq!(EN_US.id.script, None);
    assert_eq!(EN_US.id.region, Some(region!("US")));
    assert!(EN_US.id.variants.is_empty());
    assert!(EN_US.extensions.is_empty());

    // 2. locale macro normalizes casing across language, script, and region subtags
    const NORMALIZED: Locale = locale!("EN-latn-us");
    assert_eq!(NORMALIZED.id.language, language!("en"));
    assert_eq!(NORMALIZED.id.script, Some(script!("Latn")));
    assert_eq!(NORMALIZED.id.region, Some(region!("US")));
    assert_eq!(NORMALIZED.to_string(), "en-Latn-US");

    // 3. locale macro supports single variant subtag
    const WITH_VARIANT: Locale = locale!("en-US-posix");
    assert_eq!(WITH_VARIANT.id.language, language!("en"));
    assert_eq!(WITH_VARIANT.id.region, Some(region!("US")));
    assert_eq!(WITH_VARIANT.id.variants.get(0), Some(&variant!("posix")));
    assert_eq!(WITH_VARIANT.to_string(), "en-US-posix");

    // 4. locale macro supports single unicode extension keyword
    const WITH_KEYWORD: Locale = locale!("zh-Hans-CN-u-nu-thai");
    assert_eq!(WITH_KEYWORD.id.language, language!("zh"));
    assert_eq!(WITH_KEYWORD.id.script, Some(script!("Hans")));
    assert_eq!(WITH_KEYWORD.id.region, Some(region!("CN")));
    assert_eq!(
        WITH_KEYWORD.extensions.unicode.keywords.get(&key!("nu")),
        Some(&value!("thai"))
    );
    assert_eq!(WITH_KEYWORD.to_string(), "zh-Hans-CN-u-nu-thai");

    // 5. locale macro produces Locale matching runtime parsed Locale
    let runtime_loc: Locale = "de-AT-u-ca-buddhist".parse().expect("valid locale");
    let const_loc: Locale = locale!("de-AT-u-ca-buddhist");
    assert_eq!(const_loc, runtime_loc);
    assert!(const_loc.normalizing_eq("DE-at-U-ca-BUDDHIST"));

    // 6. locale macro constructs unknown locale for und tag matching Locale::UNKNOWN
    const UNKNOWN_LOC: Locale = locale!("und");
    assert_eq!(UNKNOWN_LOC, Locale::UNKNOWN);
    assert!(UNKNOWN_LOC.extensions.is_empty());

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

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