Method get_ptr

src/buffer.rs:189–200

Gets a pointer to the specified item. If `indices.len() < self.dimensions()`, returns the start address of the sub-array at the specified dimension.

(&self, indices: &[usize])

    ///
    /// If `indices.len() < self.dimensions()`, returns the start address of the sub-array at the specified dimension.
    pub fn get_ptr(&self, indices: &[usize]) -> *mut libc::c_void {
        let shape = &self.shape()[..indices.len()];
        for i in 0..indices.len() {
            assert!(indices[i] < shape[i]);
        }
        unsafe {
            ffi::PyBuffer_GetPointer(
                &*self.0 as *const ffi::Py_buffer as *mut ffi::Py_buffer,
                indices.as_ptr() as *mut usize as *mut crate::Py_ssize_t,
            )
        }
    }

    /// Gets whether the underlying buffer is read-only.
    #[inline]