☰
In core::str
?
Function
core
::
str
::
utf8_char_width
source
·
[
−
]
pub const fn utf8_char_width(b:
u8
) ->
usize
🔬
This is a nightly-only experimental API. (
str_internals
)
Expand description
给定第一个字节,确定此 UTF-8 字符中有多少个字节。