macro_rules! format { ( $ ( $ arg : tt ) * ) => { ... }; }
Use the syntax described in std::fmt
to create a value of type String
. See std::fmt
for more information.
format!("test"); format!("hello {}", "world!"); format!("x = {}, y = {y}", 10, y = 30);
© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/macro.format.html