is_ident_head
rustc_
builtin_
macros
1.91.0-nightly
(7ad23f43a 2025-09-09)
In rustc_
builtin_
macros::
format_
foreign::
shell
rustc_builtin_macros
::
format_foreign
::
shell
Function
is_
ident_
head
Copy item path
Source
fn is_ident_head(c:
char
) ->
bool