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[stdlib] Breadcrumbs are spaced in UTF-16 code units, not UTF-8

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Karoy Lorentey
2022-12-27 19:46:30 -08:00
parent 2423b8ba3c
commit 6fee1b372b
1 changed files with 2 additions and 2 deletions
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4
stdlib/public/core/StringUTF16View.swift
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@@ -720,7 +720,7 @@ extension String.UTF16View {
///
/// - Complexity: This measures the UTF-16 distance of `idx` from its nearest
/// breadcrumb index (rounding down), so on average it needs to look at
/// `breadcrumbStride / 2` UTF-8 code units. (In addition to the O(log(n))
/// `breadcrumbStride / 2` UTF-16 code units. (In addition to the O(log(n))
/// cost of looking up the nearest breadcrumb, and the amortizable O(n)
/// cost of generating the breadcrumbs in the first place.)
@usableFromInline
@@ -758,7 +758,7 @@ extension String.UTF16View {
///
/// - Complexity: This iterates UTF-16 code units starting from the
/// nearest breadcrumb to `offset` (rounding down), so on
/// average it needs to look at `breadcrumbStride / 2` UTF-8 code
/// average it needs to look at `breadcrumbStride / 2` UTF-16 code
/// units. (In addition to the O(1) cost of looking up the nearest
/// breadcrumb, and the amortizable O(n) cost of generating the
/// breadcrumbs in the first place.)