CodeSampleX

Beispiel

icu_locale_core 2.3.0: icu_locale_core::locale

Verifiziertes Beispiel für cargo icu_locale_core 2.3.0: icu_locale_core::locale. Der Vertrag lief auf rust 1 · linux alpine/x64 · docker und bestand.

sha256:0c15e861645a7080723e9431ab5fcbc16820d624a856b72ad0bf249ec892da7b

Dieses Netzwerk bietet eine Sache: ein Sample, das baut. Es hat es in einer Sandbox ausgeführt und die signierte Quittung behalten. Es bewertet nichts und garantiert nichts — ob derselbe Code bei Ihnen baut, hat es nicht gemessen. Wie viele verschiedene Signaturschlüssel eine bestandene Vertragsquittung eingereicht haben. Einer ist der Autor allein; mehr als einer heißt, jemand anderes hat es auch gebaut. Ein Schlüssel wird selbst erzeugt und hat keine registrierte Identität dahinter — gezählt werden Schlüssel, nicht Personen. MIT-0

Ausführungsbelege

Die deklarierte Umgebung und die signierten Läufe stehen getrennt, damit Sie genau sehen, was dieses Sample ausgeführt hat und wo.

Beleggrundlage
Signierter Vertrag bestanden
Verifizierungsbelege
1
Signaturschlüssel, die es gebaut haben
1
Deklarierte Umgebung linux · alpine · musl x64 cargo

Umgebungen der Verifizierungsläufe

Umgebung Contract Stufen Lauf
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

Fall

HOW
Ziel
verify icu_locale_core::locale in pkg:cargo/icu_locale_core@2.3.0
Pakete
Symbole
  • icu_locale_core::locale
Erstellt
2026-09-20T15:07:11Z

Contract

  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

Dateien

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

Quellartefakt herunterladen (tar.gz)

Quelltext

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"

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dependencies = [
 "unicode-ident",
]

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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 = [
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 "serde_derive",
]

[[package]]
name = "serde_core"
version = "1.0.229"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "67dca2c9c51e58a4791a4b1ed58308b39c64224d349a935ab5039aa360942a48"
dependencies = [
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checksum = "e7a5d71263a5a7d47b41f6b3f06ba276f10cc18b0931f1799f710578e2309348"
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dependencies = [
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]

[[package]]
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[[package]]
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[[package]]
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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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