Method fmt

src/expr/src/scalar/func/impls/char.rs:56–58

(&self, f: &mut fmt::Formatter)

impl fmt::Display for PadChar {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_str("padchar")
    }
}

// This function simply allows the expression of changing a's type from char to