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Clarify docs for collapseRepeats{Len}.

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Makes it clear what only passed element will be deduplicated.
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andrewkraevskii 2025-10-07 20:47:32 +03:00
parent 44ddeb192f
commit 7712d03491
1 changed files with 6 additions and 2 deletions
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8
lib/std/mem.zig
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@ -4103,7 +4103,9 @@ pub fn replaceScalar(comptime T: type, slice: []T, match: T, replacement: T) voi
} }
} }
/// Collapse consecutive duplicate elements into one entry. /// Collapse all consecutive occurrences of `elem` into one entry.
///
/// See also `collapseRepeatsAll`
pub fn collapseRepeatsLen(comptime T: type, slice: []T, elem: T) usize { pub fn collapseRepeatsLen(comptime T: type, slice: []T, elem: T) usize {
if (slice.len == 0) return 0; if (slice.len == 0) return 0;
var write_idx: usize = 1; var write_idx: usize = 1;
@ -4117,7 +4119,9 @@ pub fn collapseRepeatsLen(comptime T: type, slice: []T, elem: T) usize {
return write_idx; return write_idx;
} }
/// Collapse consecutive duplicate elements into one entry. /// Collapse all consecutive occurrences of `elem` into one entry.
///
/// See also `collapseRepeatsAll`
pub fn collapseRepeats(comptime T: type, slice: []T, elem: T) []T { pub fn collapseRepeats(comptime T: type, slice: []T, elem: T) []T {
return slice[0..collapseRepeatsLen(T, slice, elem)]; return slice[0..collapseRepeatsLen(T, slice, elem)];
} }