CodeSampleX

Exemplo

colorchoice 1.0.5

Amostra verificada para cargo colorchoice 1.0.5. O contrato rodou em rust 1 · linux alpine/x64 · docker e passou: ColorChoice enum provides Auto, AlwaysAnsi…

sha256:5aedbf5d118a1821550ea0c6b65854f7a21fd77e7a8beefac8bd537e7a99d281

Esta rede oferece uma coisa: uma amostra que compila. Ela a executou em um sandbox e guardou o recibo assinado. Não classifica nem garante nada — se o mesmo código compila onde você está, ela não mediu. Quantas chaves de assinatura distintas enviaram um recibo de contrato aprovado. Uma é só o autor; mais de uma significa que outra pessoa também o compilou. Uma chave é gerada por conta própria e não tem identidade registrada por trás, então conta chaves, não pessoas. MIT-0

Evidência de execução

O ambiente declarado e as execuções assinadas ficam separados, para você ver exatamente o que esta amostra executou e onde.

Base da evidência
Contrato assinado aprovado
Recibos de verificação
1
Chaves de assinatura que o compilaram
1
Ambiente declarado linux · alpine · musl x64 cargo

Ambientes das execuções de verificação

Ambiente Contrato Etapas Execução
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…
2026-10-12

Caso

HOW
Objetivo
verify pkg:cargo/colorchoice@1.0.5
Pacotes
Criado
2026-10-11T20:38:51Z

Contrato

  1. ColorChoice enum provides Auto, AlwaysAnsi, Always, and Never variants with Auto as default
  2. ColorChoice implements Copy, Clone, Debug, and Eq traits
  3. ColorChoice global reads the current global color choice setting
  4. ColorChoice write_global modifies the global color choice state across calls

Arquivos

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

Baixar o artefato de código-fonte (tar.gz)

Código-fonte

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

[[package]]
name = "colorchoice"
version = "1.0.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1d07550c9036bf2ae0c684c4297d503f838287c83c53686d05370d0e139ae570"

[[package]]
name = "sample-colorchoice"
version = "1.0.0"
dependencies = [
 "colorchoice",
]
Cargo.toml
[package]
name = "sample-colorchoice"
version = "1.0.0"
edition = "2021"
publish = false

[dependencies]
colorchoice = "=1.0.5"

[[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 pkg:cargo/colorchoice@1.0.5
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:cargo/colorchoice@1.0.5

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:abba7272ce5f517c64d12a1a977a9a3eba5737f491890901b1c58d0e11f051ad","contract":["ColorChoice enum provides Auto, AlwaysAnsi, Always, and Never variants with Auto as default","ColorChoice implements Copy, Clone, Debug, and Eq traits","ColorChoice global reads the current global color choice setting","ColorChoice write_global modifies the global color choice state across calls"],"goal":"verify pkg:cargo/colorchoice@1.0.5","kind":"HOW","packages":["pkg:cargo/colorchoice@1.0.5"],"schemaVersion":1},"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/colorchoice@1.0.5"],"schemaVersion":1,"subject":"pkg:cargo/colorchoice@1.0.5","verifierAdapter":"cargo@1"}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify pkg:cargo/colorchoice@1.0.5",
  "kind": "HOW",
  "packages": [
    "pkg:cargo/colorchoice@1.0.5"
  ]
}
src/lib.rs
//! Clean-room verification sample for colorchoice.

pub use colorchoice::*;
test/contract.rs
use colorchoice::ColorChoice;

fn main() {
    // 1. ColorChoice enum provides Auto, AlwaysAnsi, Always, and Never variants with Auto as default
    assert_eq!(ColorChoice::default(), ColorChoice::Auto);
    let auto = ColorChoice::Auto;
    let always_ansi = ColorChoice::AlwaysAnsi;
    let always = ColorChoice::Always;
    let never = ColorChoice::Never;

    // 2. ColorChoice implements Copy, Clone, Debug, and Eq traits
    assert_eq!(auto, ColorChoice::Auto);
    assert_ne!(auto, always);
    assert_ne!(always_ansi, always);
    assert_ne!(always, never);

    let copied: ColorChoice = auto;
    let cloned: ColorChoice = copied.clone();
    assert_eq!(cloned, auto);

    assert_eq!(format!("{:?}", ColorChoice::Auto), "Auto");
    assert_eq!(format!("{:?}", ColorChoice::AlwaysAnsi), "AlwaysAnsi");
    assert_eq!(format!("{:?}", ColorChoice::Always), "Always");
    assert_eq!(format!("{:?}", ColorChoice::Never), "Never");

    // 3. ColorChoice global reads the current global color choice setting
    let initial = ColorChoice::global();
    assert_eq!(initial, ColorChoice::Auto);

    // 4. ColorChoice write_global modifies the global color choice state across calls
    ColorChoice::Always.write_global();
    assert_eq!(ColorChoice::global(), ColorChoice::Always);

    ColorChoice::Never.write_global();
    assert_eq!(ColorChoice::global(), ColorChoice::Never);

    ColorChoice::AlwaysAnsi.write_global();
    assert_eq!(ColorChoice::global(), ColorChoice::AlwaysAnsi);

    ColorChoice::Auto.write_global();
    assert_eq!(ColorChoice::global(), ColorChoice::Auto);

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

Seeder de origem

anônimo