bin.name = "rustup"
args = ["doc", "--help"]
stdout = """
...
Open the documentation for the current toolchain

Usage: rustup[EXE] doc [OPTIONS] [TOPIC]

Arguments:
  [TOPIC]  Topic such as 'core', 'fn', 'usize', 'eprintln!', 'core::arch', 'alloc::format!',
           'std::fs', 'std::fs::read_dir', 'std::io::Bytes', 'std::iter::Sum',
           'std::io::error::Result' etc...

Options:
      --path                   Only print the path to the documentation
      --toolchain <TOOLCHAIN>  Toolchain name, such as 'stable', 'nightly', or '1.8.0'. For more
                               information see `rustup help toolchain`
      --alloc                  The Rust core allocation and collections library
      --book                   The Rust Programming Language book
      --cargo                  The Cargo Book
      --clippy                 The Clippy Documentation
      --core                   The Rust Core Library
      --edition-guide          The Rust Edition Guide
      --embedded-book          The Embedded Rust Book
      --error-codes            The Rust Error Codes Index
      --nomicon                The Dark Arts of Advanced and Unsafe Rust Programming
      --proc_macro             A support library for macro authors when defining new macros
      --reference              The Rust Reference
      --rust-by-example        A collection of runnable examples that illustrate various Rust
                               concepts and standard libraries
      --rustc                  The compiler for the Rust programming language
      --rustdoc                Documentation generator for Rust projects
      --std                    Standard library API documentation
      --style-guide            The Rust Style Guide
      --test                   Support code for rustc's built in unit-test and micro-benchmarking
                               framework
      --unstable-book          The Unstable Book
  -h, --help                   Print help

Discussion:
    Opens the documentation for the currently active toolchain with
    the default browser.

    By default, it opens the documentation index. Use the various
    flags to open specific pieces of documentation.
"""
stderr = ""
