Macro format_buf

macro_rules! format_buf {
    ($buf:expr, $($args:tt)*) => { ... };
}

Returns a formatted str slice backed by a buffer, non-allocating.

It calls the format_buf_args function with the format_args macro.

Example

let mut buf = [0u8; 64];
let s = format_buf![&mut buf, "Test: {} {}", "foo", 42];
assert_eq!(Ok("Test: foo 42"), s);

Features

Makes use of the unsafe_str feature if enabled.