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Merge owned and non-owned grids

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Through the power of generics. Should've been easier if it was possible
to be generic over mutable and non-mutable, but AsRef/AsMut is close
enough
This commit is contained in:
Bert Peters
2023-12-14 21:30:05 +01:00
parent b7baebd050
commit 44a1bcdc62
5 changed files with 43 additions and 103 deletions
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4
2023/src/day13.rs
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@@ -15,7 +15,7 @@ impl Symmetry {
}
}
fn find_symmetry(grid: Grid<'_>, differences: usize) -> Option<Symmetry> {
fn find_symmetry(grid: Grid<&[u8]>, differences: usize) -> Option<Symmetry> {
// Attempt to find a vertical line of reflection first
for c in 1..grid.width() {
if grid
@@ -48,7 +48,7 @@ fn find_symmetry(grid: Grid<'_>, differences: usize) -> Option<Symmetry> {
None
}
fn parse_grids(input: &[u8]) -> anyhow::Result<Vec<Grid<'_>>> {
fn parse_grids(input: &[u8]) -> anyhow::Result<Vec<Grid<&[u8]>>> {
let mut result = Vec::new();
let mut start = 0;
let mut last_newline = 0;