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[stdlib] Rebuild String.Index for UTF8View

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This commit is contained in:
Dave Abrahams
2017-06-05 17:12:10 -07:00
parent 576b8de64a
commit 283775ed1f
7 changed files with 151 additions and 218 deletions
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3
stdlib/public/core/UnicodeEncoding.swift
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@@ -78,6 +78,7 @@ extension _UnicodeEncoding_ {
/// Converts from encoding-independent to encoded representation, returning
/// `encodedReplacementCharacter` if the scalar can't be represented in this
/// encoding.
@_versioned
internal static func _encode(_ content: Unicode.Scalar) -> EncodedScalar {
return encode(content) ?? encodedReplacementCharacter
}
@@ -85,6 +86,7 @@ extension _UnicodeEncoding_ {
/// Converts a scalar from another encoding's representation, returning
/// `encodedReplacementCharacter` if the scalar can't be represented in this
/// encoding.
@_versioned
internal static func _transcode<FromEncoding : Unicode.Encoding>(
_ content: FromEncoding.EncodedScalar, from _: FromEncoding.Type
) -> EncodedScalar {
@@ -92,6 +94,7 @@ extension _UnicodeEncoding_ {
?? encodedReplacementCharacter
}
@_versioned
internal static func _transcode<
Source: Sequence, SourceEncoding: Unicode.Encoding>(
_ source: Source,