pub const extern "rust-intrinsic" fn ctpop<T>(x: T) -> T where T: Copy,
Returns the number of bits set in an integer type T
The stabilized versions of this intrinsic are available on the integer primitives via the count_ones
method. For example, u32::count_ones
© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/intrinsics/fn.ctpop.html