Method strip

crates/vm/src/builtins/str.rs:827–856

(&self, chars: OptionalOption<PyStrRef>)

    #[pymethod]
    fn strip(&self, chars: OptionalOption<PyStrRef>) -> Self {
        match self.as_str_kind() {
            PyKindStr::Ascii(s) => s
                .py_strip(
                    chars,
                    |s, chars| {
                        let s = s
                            .as_str()
                            .trim_matches(|c| memchr::memchr(c as _, chars.as_bytes()).is_some());
                        unsafe { AsciiStr::from_ascii_unchecked(s.as_bytes()) }
                    },
                    |s| s.trim(),
                )
                .into(),
            PyKindStr::Utf8(s) => s
                .py_strip(
                    chars,
                    |s, chars| s.trim_matches(|c| chars.contains(c)),
                    |s| s.trim(),
                )
                .into(),
            PyKindStr::Wtf8(w) => w
                .py_strip(
                    chars,
                    |s, chars| s.trim_matches(|c| chars.code_points().contains(&c)),
                    |s| s.trim(),
                )
                .into(),
        }
    }

    #[pymethod]
    fn lstrip(