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

USAGE:
    rustup[EXE] doc [OPTIONS] [topic]

ARGS:
    <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
        --core                     The Rust Core Library
        --edition-guide            The Rust Edition Guide
        --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
        --test                     Support code for rustc's built in unit-test and
                                   micro-benchmarking framework
        --unstable-book            The Unstable Book
        --embedded-book            The Embedded Rust Book
    -h, --help                     Print help information

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 = ""
