generated from PlexSheep/baserepo
30 lines
783 B
Rust
30 lines
783 B
Rust
//! # common macros for `libpt`
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//!
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//! This module implements macros for use with `libpt`.
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pub use crate::get_stdout_for;
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/// ## catches what the expression would write to the `stdout`
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///
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/// This macro takes an expression, executes it, and catches what it would write to the stdout.
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/// The buffer of the stdout will then be returned for further use.
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///
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/// This is especially useful when testing loggers or other frontend CLI functions.
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#[macro_export]
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macro_rules! get_stdout_for {
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($test:expr) => {{
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use gag::BufferRedirect;
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use std::io::Read;
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let mut buf = BufferRedirect::stdout().unwrap();
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$test;
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let mut output = String::new();
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buf.read_to_string(&mut output).unwrap();
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drop(buf);
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output
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}};
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}
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