parse-dockerfile 0.1.5

Dockerfile parser, written in Rust.
Documentation 
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// SPDX-License-Identifier: Apache-2.0 OR MIT
// This file is @generated by parse-dockerfile-internal-codegen
// (gen_track_size function at tools/codegen/src/main.rs).
// It is not intended for manual editing.

#![cfg_attr(rustfmt, rustfmt::skip)]
#![allow(dead_code, clippy::std_instead_of_alloc, clippy::std_instead_of_core)]
use std::{fmt::Write as _, path::Path, string::String};
fn write_size<T>(out: &mut String) {
    let _ = writeln!(
        out, "{}: {}", std::any::type_name::<T> (), std::mem::size_of::<T> ()
    );
}
/// Test the size of public types. This is not intended to keep a specific size and is intended to
/// be used only as a help in optimization.
///
/// Ignore non-64-bit targets due to usize/ptr size, ignore Miri/cargo-careful as we set
/// -Z randomize-layout for them, and ignore old rustc as any::type_name output and size
/// optimization may differ between compiler versions.
#[rustversion::attr(
    nightly,
    cfg_attr(any(not(target_pointer_width = "64"), miri, careful), ignore)
)]
#[rustversion::attr(not(nightly), ignore)]
#[test]
fn track_size() {
    let mut out = String::new();
    write_size::<crate::error::Error>(&mut out);
    write_size::<crate::Dockerfile<'_>>(&mut out);
    write_size::<crate::Stage<'_, '_>>(&mut out);
    write_size::<crate::ParserDirectives<'_>>(&mut out);
    write_size::<crate::ParserDirective<()>>(&mut out);
    write_size::<crate::Instruction<'_>>(&mut out);
    write_size::<crate::AddInstruction<'_>>(&mut out);
    write_size::<crate::ArgInstruction<'_>>(&mut out);
    write_size::<crate::CmdInstruction<'_>>(&mut out);
    write_size::<crate::CopyInstruction<'_>>(&mut out);
    write_size::<crate::Source<'_>>(&mut out);
    write_size::<crate::EntrypointInstruction<'_>>(&mut out);
    write_size::<crate::EnvInstruction<'_>>(&mut out);
    write_size::<crate::ExposeInstruction<'_>>(&mut out);
    write_size::<crate::FromInstruction<'_>>(&mut out);
    write_size::<crate::HealthcheckInstruction<'_>>(&mut out);
    write_size::<crate::HealthcheckArguments<'_>>(&mut out);
    write_size::<crate::LabelInstruction<'_>>(&mut out);
    write_size::<crate::MaintainerInstruction<'_>>(&mut out);
    write_size::<crate::OnbuildInstruction<'_>>(&mut out);
    write_size::<crate::RunInstruction<'_>>(&mut out);
    write_size::<crate::ShellInstruction<'_>>(&mut out);
    write_size::<crate::StopsignalInstruction<'_>>(&mut out);
    write_size::<crate::UserInstruction<'_>>(&mut out);
    write_size::<crate::VolumeInstruction<'_>>(&mut out);
    write_size::<crate::WorkdirInstruction<'_>>(&mut out);
    write_size::<crate::Keyword>(&mut out);
    write_size::<crate::Flag<'_>>(&mut out);
    write_size::<crate::UnescapedString<'_>>(&mut out);
    write_size::<crate::Command<'_>>(&mut out);
    write_size::<crate::HereDoc<'_>>(&mut out);
    write_size::<crate::Spanned<()>>(&mut out);
    write_size::<crate::ParseIter<'_>>(&mut out);
    test_helper::git::assert_diff(
        Path::new(env!("CARGO_MANIFEST_DIR")).join("src/gen/tests/track_size.txt"),
        out,
    );
}