BixinFromThisRealm
/ bit_slice.rs
Last active
June 27, 2022 20:47
A tiny but useful algorithm for getting the bits from n to k off a integer.
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| fn main() { | |
| let num = slice(0b1101001, 3, 7); | |
| println!("num = {:#b}", num); // "num = 0b1101" | |
| } | |
| // since all this is just some basic arithmetic | |
| // the function should have a big O of 1. | |
| fn slice(bits: i32, start: i32, end: i32) -> i32 { |