Function utf8_is_cont_byte

crates/sre_engine/src/string.rs:328–330

(byte: u8)

/// bits `10`).
#[inline]
const fn utf8_is_cont_byte(byte: u8) -> bool {
    (byte as i8) < -64
}

/// Mask of the value bits of a continuation byte.
const CONT_MASK: u8 = 0b0011_1111;