Trait terminal_io::WriteTerminal

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pub trait WriteTerminal: Write + Terminal {
    // Required methods
    fn color_support(&self) -> TerminalColorSupport;
    fn color_preference(&self) -> bool;
    fn is_output_terminal(&self) -> bool;

    // Provided method
    fn color_default(&self) -> bool { ... }
}
Expand description

An extension trait for output streams connected to terminals.

Required Methods§

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fn color_support(&self) -> TerminalColorSupport

Test whether this output stream supports color control codes.

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fn color_preference(&self) -> bool

Test whether the user has indicated a preference for color output by default. Respects the NO_COLOR environment variable where applicable.

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fn is_output_terminal(&self) -> bool

Test whether the output is connected to a terminal.

Also known as isatty.

Provided Methods§

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fn color_default(&self) -> bool

Test whether color should be used on this terminal by default. This includes both whether color is supported and whether the user has not indicated a preference otherwise.

Implementors§