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stdlib: adopt @warn_unused_result

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rdar://20957486

Swift SVN r31048
This commit is contained in:
Dmitri Hrybenko
2015-08-06 14:53:18 +00:00
parent 10bdef0936
commit dd3194a18c
74 changed files with 789 additions and 82 deletions
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11
stdlib/public/core/UnicodeScalar.swift
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@@ -90,6 +90,7 @@ public struct UnicodeScalar :
///
/// - parameter forceASCII: If `true`, forces most values into a numeric
/// representation.
@warn_unused_result
public func escape(asASCII forceASCII: Bool) -> String {
func lowNibbleAsHex(v: UInt32) -> String {
let nibble = v & 15
@@ -151,21 +152,25 @@ public struct UnicodeScalar :
/// Returns true if this is an ASCII character (code point 0 to 127
/// inclusive).
@warn_unused_result
public func isASCII() -> Bool {
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 an 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()
}
@@ -191,6 +196,7 @@ public struct UnicodeScalar :
}
// FIXME: Unicode makes this interesting.
@warn_unused_result
public // @testable
func _isSpace() -> Bool {
// FIXME: The constraint-based type checker goes painfully exponential
@@ -202,6 +208,7 @@ public struct UnicodeScalar :
}
// FIXME: Unicode makes this interesting.
@warn_unused_result
func _isPrintableASCII() -> Bool {
return (self >= UnicodeScalar(0o040) && self <= UnicodeScalar(0o176))
}
@@ -270,10 +277,12 @@ extension UInt64 {
extension UnicodeScalar : Comparable, Equatable {
}
@warn_unused_result
public func ==(lhs: UnicodeScalar, rhs: UnicodeScalar) -> Bool {
return lhs.value == rhs.value
}
@warn_unused_result
public func <(lhs: UnicodeScalar, rhs: UnicodeScalar) -> Bool {
return lhs.value < rhs.value
}
@@ -315,6 +324,7 @@ extension UnicodeScalar.UTF16View : CollectionType {
}
/// Return c as a UTF8.CodeUnit. Meant to be used as _ascii8("x").
@warn_unused_result
public // SPI(SwiftExperimental)
func _ascii8(c: UnicodeScalar) -> UTF8.CodeUnit {
_sanityCheck(c.value >= 0 && c.value <= 0x7F, "not ASCII")
@@ -322,6 +332,7 @@ func _ascii8(c: UnicodeScalar) -> UTF8.CodeUnit {
}
/// Return c as a UTF16.CodeUnit. Meant to be used as _ascii16("x").
@warn_unused_result
public // SPI(SwiftExperimental)
func _ascii16(c: UnicodeScalar) -> UTF16.CodeUnit {
_sanityCheck(c.value >= 0 && c.value <= 0x7F, "not ASCII")