Macro std::const_format_args

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

???? This is a nightly-only experimental API. (const_format_args)

Same as format_args, but can be used in some const contexts.

This macro is used by the panic macros for the const_panic feature.

This macro will be removed once format_args is allowed in const contexts.

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Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/macro.const_format_args.html