Function extern_spec_Shl_usize_i32_shl 

pub fn extern_spec_Shl_usize_i32_shl(self_: i32, rhs: usize) -> i32

extern spec for i32::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