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mem.replace: Document that input/output cannot overlap

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Ryan Liptak 2025-09-13 19:32:52 -07:00 • committed by Andrew Kelley
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lib/std/mem.zig
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@ -3831,6 +3831,7 @@ test rotate {
/// Replace needle with replacement as many times as possible, writing to an output buffer which is assumed to be of /// Replace needle with replacement as many times as possible, writing to an output buffer which is assumed to be of
/// appropriate size. Use replacementSize to calculate an appropriate buffer size. /// appropriate size. Use replacementSize to calculate an appropriate buffer size.
/// The `input` and `output` slices must not overlap.
/// The needle must not be empty. /// The needle must not be empty.
/// Returns the number of replacements made. /// Returns the number of replacements made.
pub fn replace(comptime T: type, input: []const T, needle: []const T, replacement: []const T, output: []T) usize { pub fn replace(comptime T: type, input: []const T, needle: []const T, replacement: []const T, output: []T) usize {