Function bitfrob::u128_get_region

pub const fn u128_get_region(low: u32, high: u32, u: u128) -> u128

Get the low to high bit region of u.

The low and high values form an inclusive bit range.

Panics

• low and high can’t exceed the number of bits in the type.
• low must be less than high.

assert_eq!(u128_get_region(0, 2, u128::MAX), 0b0000_0111_u128);
assert_eq!(u128_get_region(1, 3, u128::MAX), 0b0000_1110_u128);
assert_eq!(u128_get_region(4, 7, u128::MAX), 0b1111_0000_u128);