Method pop_back

src/pointer.rs:962–971

Removes and returns the last `Token` in the `Pointer` if it exists.

(&mut self)

    /// Removes and returns the last `Token` in the `Pointer` if it exists.
    pub fn pop_back(&mut self) -> Option<Token<'static>> {
        if let Some(idx) = self.0.rfind('/') {
            // SAFETY: source pointer is encoded
            let back = unsafe { Token::from_encoded_unchecked(self.0.split_off(idx + 1)) };
            self.0.pop(); // remove trailing `/`
            Some(back)
        } else {
            None
        }
    }

    /// Removes and returns the first `Token` in the `Pointer` if it exists.
    pub fn pop_front(&mut self) -> Option<Token<'static>> {