#![no_std]
pub const MIN_0_1: u8 = 0x80;
pub const MAX_0_1: u8 = 0xC1;
pub const MIN_0_2: u8 = 0xF5;
pub const MAX_0_2: u8 = 0xFF;
pub const MIN_1: u8 = 0x00;
pub const MAX_1: u8 = 0x7F;
pub const MIN_2: u8 = 0xC2;
pub const MAX_2: u8 = 0xDF;
pub const MIN_3: u8 = 0xE0;
pub const MAX_3: u8 = 0xEF;
pub const MIN_4: u8 = 0xF0;
pub const MAX_4: u8 = 0xF4;
#[inline]
pub fn is_width_1(byte: u8) -> bool {
byte <= MAX_1 }
#[inline]
pub fn is_width_2(byte: u8) -> bool {
(MIN_2..=MAX_2).contains(&byte)
}
#[inline]
pub fn is_width_3(byte: u8) -> bool {
(MIN_3..=MAX_3).contains(&byte)
}
#[inline]
pub fn is_width_4(byte: u8) -> bool {
(MIN_4..=MAX_4).contains(&byte)
}
#[inline]
pub fn is_width_0(byte: u8) -> bool {
(MIN_0_1..=MAX_0_1).contains(&byte) || MIN_0_2 <= byte }
#[inline]
pub fn get_width(byte: u8) -> usize {
if is_width_1(byte) {
1
} else if is_width_2(byte) {
2
} else if byte <= MAX_3 {
3
} else if byte <= MAX_4 {
4
} else {
0
}
}
#[allow(clippy::missing_safety_doc)]
#[inline]
pub unsafe fn get_width_assume_valid(byte: u8) -> usize {
if byte <= MAX_1 {
1
} else if byte <= MAX_2 {
2
} else if byte <= MAX_3 {
3
} else {
4
}
}