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[stdlib] extendingOrTruncating: => truncatingIfNeeded:

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This commit is contained in:
Maxim Moiseev
2017-07-21 14:46:54 -07:00
committed by Max Moiseev
parent d018ecccf5
commit a5ff35cd41
26 changed files with 164 additions and 165 deletions
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8
stdlib/public/core/StringCore.swift
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@@ -151,9 +151,9 @@ public struct _StringCore {
self._baseAddress = baseAddress
self._countAndFlags
= (UInt(extendingOrTruncating: elementShift) &<< (UInt.bitWidth - 1))
= (UInt(truncatingIfNeeded: elementShift) &<< (UInt.bitWidth - 1))
| ((hasCocoaBuffer ? 1 : 0) &<< (UInt.bitWidth - 2))
| UInt(extendingOrTruncating: count)
| UInt(truncatingIfNeeded: count)
self._owner = owner
_sanityCheck(UInt(count) & _flagMask == (0 as UInt),
@@ -375,7 +375,7 @@ public struct _StringCore {
|| encoding == Unicode.UTF16.self
|| encoding == Unicode.UTF32.self {
bytes.forEach {
processCodeUnit(Encoding.CodeUnit(extendingOrTruncating: $0))
processCodeUnit(Encoding.CodeUnit(truncatingIfNeeded: $0))
}
}
else {
@@ -667,7 +667,7 @@ extension _StringCore : RangeReplaceableCollection {
if _fastPath(elementWidth == 1) {
var dst = rangeStart.assumingMemoryBound(to: UTF8.CodeUnit.self)
for u in newElements {
dst.pointee = UInt8(extendingOrTruncating: u)
dst.pointee = UInt8(truncatingIfNeeded: u)
dst += 1
}
}