MAX_LEN_UTF8

core::char

Constant MAX_LEN_UTF8 

Source 
pub const MAX_LEN_UTF8: usize = char::MAX_LEN_UTF8; // 4usize
🔬This is a nightly-only experimental API. (char_max_len #121714)
Available on non-crate feature ferrocene_certified only.
Expand description

The maximum number of bytes required to encode a char to UTF-8 encoding.