anstyle-wincon 3.0.11: anstyle_wincon::WinconStream

# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
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[package]
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version = "0.1.0"
edition = "2021"

[dependencies]
anstyle-wincon = "=3.0.11"

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/anstyle-wincon@3.0.11
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:cargo/anstyle-wincon@3.0.11
Demonstrate these symbols/APIs:
  - anstyle_wincon::WinconStream

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.

{"case":{"caseId":"case:sha256:de0dd0ce00807202ee20e58fc20685e763dcffd64936ea90deb54f684f3a4c09","contract":["assert WinconStream::write_colored writes data to Vec\u003cu8\u003e buffer and returns written length","assert WinconStream::write_colored appends data on subsequent calls","assert WinconStream is implemented for Box\u003cdyn std::io::Write\u003e"],"goal":"verify pkg:cargo/anstyle-wincon@3.0.11","kind":"HOW","packages":["pkg:cargo/anstyle-wincon@3.0.11"],"schemaVersion":1,"symbols":["anstyle_wincon::WinconStream"]},"contractCommand":["cargo","run","--offline"],"environment":{"arch":"x64","ecosystem":"cargo","libc":"musl","os":"linux","packageManager":"cargo","schemaVersion":1},"license":"MIT-0","packages":["pkg:cargo/anstyle-wincon@3.0.11"],"schemaVersion":1,"subject":"pkg:cargo/anstyle-wincon@3.0.11","symbols":["anstyle_wincon::WinconStream"],"verifierAdapter":"cargo@1"}

{
  "schemaVersion": 1,
  "goal": "verify pkg:cargo/anstyle-wincon@3.0.11",
  "kind": "HOW",
  "packages": [
    "pkg:cargo/anstyle-wincon@3.0.11"
  ],
  "symbols": [
    "anstyle_wincon::WinconStream"
  ]
}

use anstyle_wincon::WinconStream;

fn main() {
    // 1. Verify WinconStream write_colored on concrete Vec<u8> buffer
    let mut buffer: Vec<u8> = Vec::new();
    let written = buffer
        .write_colored(None, None, b"contract payload")
        .expect("write_colored failed");
    assert_eq!(written, 16);
    assert_eq!(buffer, b"contract payload");

    // 2. Verify subsequent write_colored appends data correctly
    let written_more = buffer
        .write_colored(None, None, b" extended")
        .expect("extended write_colored failed");
    assert_eq!(written_more, 9);
    assert_eq!(buffer, b"contract payload extended");

    // 3. Verify WinconStream dynamic dispatch through Box<dyn std::io::Write>
    let mut writer: Box<dyn std::io::Write> = Box::new(Vec::new());
    let written_dyn = writer
        .write_colored(None, None, b"dynamic dispatch")
        .expect("dynamic write_colored failed");
    assert_eq!(written_dyn, 16);

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