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stdlib: Remove dead code in String and UnicodeScalar

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This commit is contained in:
Dmitri Gribenko
2016-03-06 02:46:21 -08:00
parent 90ce8daf0b
commit 449869ccae
2 changed files with 0 additions and 79 deletions
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44
stdlib/public/core/UnicodeScalar.swift
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@@ -149,56 +149,12 @@ public struct UnicodeScalar :
return value <= 127
}
// FIXME: Locales make this interesting
@warn_unused_result
func _isAlpha() -> Bool {
return (self >= "A" && self <= "Z") || (self >= "a" && self <= "z")
}
// FIXME: Is there a similar term of art in Unicode?
@warn_unused_result
public func _isASCIIDigit() -> Bool {
return self >= "0" && self <= "9"
}
// FIXME: Unicode makes this interesting
@warn_unused_result
func _isDigit() -> Bool {
return _isASCIIDigit()
}
// FIXME: Unicode and locales make this interesting
var _uppercase: UnicodeScalar {
if self >= "a" && self <= "z" {
return UnicodeScalar(UInt32(self) &- 32)
} else if self >= "à" && self <= "þ" && self != "÷" {
return UnicodeScalar(UInt32(self) &- 32)
}
return self
}
// FIXME: Unicode and locales make this interesting
var _lowercase: UnicodeScalar {
if self >= "A" && self <= "Z" {
return UnicodeScalar(UInt32(self) &+ 32)
} else if self >= "À" && self <= "Þ" && self != "×" {
return UnicodeScalar(UInt32(self) &+ 32)
}
return self
}
// FIXME: Unicode makes this interesting.
@warn_unused_result
public // @testable
func _isSpace() -> Bool {
// FIXME: The constraint-based type checker goes painfully exponential
// when we turn this into one large expression. Break it up for now,
// until we can optimize the constraint solver better.
if self == " " || self == "\t" { return true }
if self == "\n" || self == "\r" { return true }
return self == "\u{0B}" || self == "\u{0C}"
}
// FIXME: Unicode makes this interesting.
@warn_unused_result
func _isPrintableASCII() -> Bool {