Method as_interned_str

crates/vm/src/builtins/str.rs:2583–2587

(&self)

    /// View as `PyStrInterned` (widening: UTF-8 → WTF-8).
    #[inline]
    pub fn as_interned_str(&self) -> &PyStrInterned {
        // Safety: PyUtf8Str is #[repr(transparent)] over PyStr,
        // so PyInterned<PyUtf8Str> has the same layout as PyInterned<PyStr>.
        unsafe { &*(self as *const Self as *const PyStrInterned) }
    }

    /// Narrow a `PyStrInterned` to `PyUtf8StrInterned`.
    ///