is_ident_head
rustc_
builtin_
macros
1.92.0-nightly
(dc2c3564d 2025-09-29)
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