Function is_space 

pub fn is_space(chr: u8) -> bool

Available on (crate features rustls or boring or acme) and crate feature rustls only.

Tests if byte is ASCII space or tab

Example

assert_eq!(is_space(b'\n'), false);
assert_eq!(is_space(b'\r'), false);
assert_eq!(is_space(b' '), true);
assert_eq!(is_space(b'\t'), true);