Function extern_spec_Shl__ref_i64_u64_shl 

pub fn extern_spec_Shl__ref_i64_u64_shl(self_: u64, rhs: &i64) -> u64

extern spec for u64::shl

This is not a real function: its only use is for documentation.

requires

(0usize as $rhs) <= *rhs && *rhs < $type::BITS as $rhs

ensures

result == self $op *rhs