mirrors/zig
1
0
Fork 0
mirror of https://codeberg.org/ziglang/zig.git synced 2025-12-06 13:54:21 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

std.mem: use destructurable tuple for indexOfMinMax return type

Browse source
This commit is contained in:
garrisonhh 2024-03-05 09:11:21 -05:00 • committed by Veikka Tuominen
parent df174648e4
commit 1ddd0691c6
1 changed files with 6 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
lib/std/mem.zig
View file

@ -3385,9 +3385,9 @@ test "indexOfMax" {
}
/// Finds the indices of the smallest and largest number in a slice. O(n).
/// Returns an anonymous struct with the fields `index_min` and `index_max`.
/// Returns the indices of the smallest and largest numbers in that order.
/// `slice` must not be empty.
pub fn indexOfMinMax(comptime T: type, slice: []const T) IndexOfMinMaxResult {
pub fn indexOfMinMax(comptime T: type, slice: []const T) struct { usize, usize } {
assert(slice.len > 0);
var minVal = slice[0];
var maxVal = slice[0];
@ -3403,15 +3403,13 @@ pub fn indexOfMinMax(comptime T: type, slice: []const T) IndexOfMinMaxResult {
maxIdx = i + 1;
}
}
return .{ .index_min = minIdx, .index_max = maxIdx };
return .{ minIdx, maxIdx };
}
pub const IndexOfMinMaxResult = struct { index_min: usize, index_max: usize };
test "indexOfMinMax" {
try testing.expectEqual(IndexOfMinMaxResult{ .index_min = 0, .index_max = 6 }, indexOfMinMax(u8, "abcdefg"));
try testing.expectEqual(IndexOfMinMaxResult{ .index_min = 1, .index_max = 0 }, indexOfMinMax(u8, "gabcdef"));
try testing.expectEqual(IndexOfMinMaxResult{ .index_min = 0, .index_max = 0 }, indexOfMinMax(u8, "a"));
try testing.expectEqual(.{ 0, 6 }, indexOfMinMax(u8, "abcdefg"));
try testing.expectEqual(.{ 1, 0 }, indexOfMinMax(u8, "gabcdef"));
try testing.expectEqual(.{ 0, 0 }, indexOfMinMax(u8, "a"));
}
pub fn swap(comptime T: type, a: *T, b: *T) void {