Method count

src/objects/sequence.rs:168–180

(&self, py: Python, value: V)

    /// which `o[key] == value`
    #[inline]
    pub fn count<V>(&self, py: Python, value: V) -> PyResult<usize>
    where
        V: ToPyObject,
    {
        let r = value.with_borrowed_ptr(py, |ptr| unsafe {
            ffi::PySequence_Count(self.as_ptr(), ptr)
        });
        if r == -1 {
            Err(PyErr::fetch(py))
        } else {
            Ok(r as usize)
        }
    }

    /// Determine if o contains value. this is equivalent to the Python expression `value in o`
    #[inline]