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//Thanks to sanxiyn at irc.orinzer.org pub trait Bitops { fn bit_length() -> usize; } impl Bitops for u8 { fn bit_length() -> usize { 8 } } impl Bitops for u16 { fn bit_length() -> usize { 16 } } impl Bitops for u32 { fn bit_length() -> usize { 32 } } impl Bitops for u64 { fn bit_length() -> usize { 64 } } pub fn bit_length<T: Bitops>() -> usize { T::bit_length() }