Commit 95679004 authored by Romain Vimont's avatar Romain Vimont Committed by Luca Barbato

Implement operator[] for PlaneSlice

Implement trait Index to access PlaneSlice rows as if it was a
two-dimensional array.

That way, we can write:

    let row = &plane_slice[5];
    let value = plane_slice[5][3];
parent 8c00a25b
......@@ -10,7 +10,7 @@
use std::iter::FusedIterator;
use std::fmt::{Debug, Display, Formatter};
use std::mem;
use std::ops::Range;
use std::ops::{Index, Range};
use crate::util::*;
......@@ -413,6 +413,13 @@ impl<'a, T: Pixel> PlaneSlice<'a, T> {
impl<'a, T: Pixel> Index<usize> for PlaneSlice<'a, T> {
type Output = [T];
fn index(&self, index: usize) -> &Self::Output {
pub struct PlaneMutSlice<'a, T: Pixel> {
pub plane: &'a mut Plane<T>,
pub x: isize,
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