Function extern_spec_Shl_usize_i8_shl 

pub fn extern_spec_Shl_usize_i8_shl(self_: i8, rhs: usize) -> i8

extern spec for i8::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