Method fmt

src/transform/src/typecheck.rs:1862–1864

(&self, f: &mut std::fmt::Formatter<'_>)

    H: ExprHumanizer,
{
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        self.err.humanize(self.humanizer, f)
    }
}

impl<'a> std::fmt::Display for TypeError<'a> {