rustc_
builtin_
macros
1.84.0-dev
In rustc_
builtin_
macros::
format_
foreign::
printf
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at_next_cp_while
is_flag
iter_subs
parse_next_substitution
rustc_builtin_macros
::
format_foreign
::
printf
Function
is_flag
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fn is_flag(c: &
char
) ->
bool