Function extern_spec_Mul_Wrapping_isize_Wrapping_isize_mul 

pub fn extern_spec_Mul_Wrapping_isize_Wrapping_isize_mul(
    self_: Wrapping<isize>,
    rhs: Wrapping<isize>,
) -> Wrapping<isize>

extern spec for Wrapping<isize>::mul

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

ensures

result.0 == self.0 * rhs.0