Method py_removesuffix

crates/vm/src/anystr.rs:357–366

(&self, suffix: &Self, suffix_len: usize, is_suffix: FC)

    }

    fn py_removesuffix<FC>(&self, suffix: &Self, suffix_len: usize, is_suffix: FC) -> &Self
    where
        FC: Fn(&Self, &Self) -> bool,
    {
        if is_suffix(self, suffix) {
            self.get_bytes(0..self.bytes_len() - suffix_len)
        } else {
            self
        }
    }

    // TODO: remove this function from anystr.
    // See https://github.com/RustPython/RustPython/pull/4709/files#r1141013993