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// RUN: %target-swift-frontend -primary-file %s -emit-ir
public protocol WrappedSignedInteger: SignedInteger where Stride == Int {
typealias WrappedInteger = Int
var wrappedNumber: WrappedInteger { get set }
init(wrappedNumber: WrappedInteger)
}
public extension WrappedSignedInteger {
typealias IntegerLiteralType = WrappedInteger.IntegerLiteralType
typealias Magnitude = WrappedInteger.Magnitude
typealias Words = WrappedInteger.Words
// MARK: - Initializers -
init<T>(_ source: T) where T : BinaryInteger {
self.init(wrappedNumber: WrappedInteger(source))
}
init<T>(truncatingIfNeeded source: T) where T : BinaryInteger {
self.init(wrappedNumber: WrappedInteger(source))
}
init?<T>(exactly source: T) where T : BinaryFloatingPoint {
if let wrappedNumber = WrappedInteger(exactly: source) {
self.init(wrappedNumber: wrappedNumber)
} else {
return nil
}
}
init<T>(_ source: T) where T : BinaryFloatingPoint {
self.init(wrappedNumber: WrappedInteger(source))
}
init<T>(clamping source: T) where T : BinaryInteger {
self.init(wrappedNumber: WrappedInteger(source))
}
init?<T>(exactly source: T) where T : BinaryInteger {
if let wrappedNumber = WrappedInteger(exactly: source) {
self.init(wrappedNumber: wrappedNumber)
} else {
return nil
}
}
init(integerLiteral wrappedNumber: WrappedInteger.IntegerLiteralType) {
let wrapped = WrappedInteger(integerLiteral: wrappedNumber)
self.init(wrappedNumber: wrapped)
}
// MARK: - Stride -
func advanced(by n: Int) -> Self {
.init(wrappedNumber: wrappedNumber + n)
}
func distance(to other: Self) -> Self.Stride {
other.wrappedNumber - wrappedNumber
}
// MARK: - Properties -
var magnitude: WrappedInteger.Magnitude {
wrappedNumber.magnitude
}
var words: WrappedInteger.Words {
wrappedNumber.words
}
var bitWidth: Int {
wrappedNumber.bitWidth
}
var trailingZeroBitCount: Int {
wrappedNumber.trailingZeroBitCount
}
// MARK: - Operators -
static func <<= <RHS>(lhs: inout Self, rhs: RHS) where RHS : BinaryInteger {
lhs.wrappedNumber <<= rhs
}
static func >>= <RHS>(lhs: inout Self, rhs: RHS) where RHS : BinaryInteger {
lhs.wrappedNumber >>= rhs
}
static prefix func ~ (x: Self) -> Self {
.init(wrappedNumber: ~x.wrappedNumber)
}
static func / (lhs: Self, rhs: Self) -> Self {
.init(wrappedNumber: lhs.wrappedNumber / rhs.wrappedNumber)
}
static func /= (lhs: inout Self, rhs: Self) {
lhs.wrappedNumber /= rhs.wrappedNumber
}
static func % (lhs: Self, rhs: Self) -> Self {
.init(wrappedNumber: lhs.wrappedNumber % rhs.wrappedNumber)
}
static func %= (lhs: inout Self, rhs: Self) {
lhs.wrappedNumber %= rhs.wrappedNumber
}
static func &= (lhs: inout Self, rhs: Self) {
lhs.wrappedNumber &= rhs.wrappedNumber
}
static func |= (lhs: inout Self, rhs: Self) {
lhs.wrappedNumber |= rhs.wrappedNumber
}
static func ^= (lhs: inout Self, rhs: Self) {
lhs.wrappedNumber ^= rhs.wrappedNumber
}
static func + (lhs: Self, rhs: Self) -> Self {
.init(wrappedNumber: lhs.wrappedNumber + rhs.wrappedNumber)
}
static func += (lhs: inout Self, rhs: Self) {
lhs.wrappedNumber += rhs.wrappedNumber
}
static func - (lhs: Self, rhs: Self) -> Self {
.init(wrappedNumber: lhs.wrappedNumber - rhs.wrappedNumber)
}
static func -= (lhs: inout Self, rhs: Self) {
lhs.wrappedNumber -= rhs.wrappedNumber
}
static func * (lhs: Self, rhs: Self) -> Self {
.init(wrappedNumber: lhs.wrappedNumber * rhs.wrappedNumber)
}
static func *= (lhs: inout Self, rhs: Self) {
lhs.wrappedNumber *= rhs.wrappedNumber
}
}
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