macro_rules! const_format_args { ($fmt:expr) => { ... }; ($fmt:expr, $($args:tt)*) => { ... }; }
🔬This is a nightly-only experimental API. (
const_format_args
)Expand description
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.