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std.mem: add missing check to lastIndexOfLinear

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andrewkraevskii 2025-02-10 02:26:52 +03:00 committed by Alex Rønne Petersen
parent c0448a6c7c
commit 6fa7d5d4ad
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lib/std/mem.zig
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@ -1396,6 +1396,7 @@ pub fn indexOf(comptime T: type, haystack: []const T, needle: []const T) ?usize
/// Consider using `lastIndexOf` instead of this, which will automatically use a
/// more sophisticated algorithm on larger inputs.
pub fn lastIndexOfLinear(comptime T: type, haystack: []const T, needle: []const T) ?usize {
if (needle.len > haystack.len) return null;
var i: usize = haystack.len - needle.len;
while (true) : (i -= 1) {
if (mem.eql(T, haystack[i..][0..needle.len], needle)) return i;