Method py_islower

crates/vm/src/anystr.rs:405–415

Unified form of CPython functions: _Py_bytes_islower unicode_islower_impl

(&self)

    //  _Py_bytes_islower
    //  unicode_islower_impl
    fn py_islower(&self) -> bool {
        let mut lower = false;
        for c in self.elements() {
            if c.is_uppercase() {
                return false;
            } else if !lower && c.is_lowercase() {
                lower = true
            }
        }
        lower
    }

    // Unified form of CPython functions:
    //   Py_bytes_isupper