File: specialization.swift

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (31 lines) | stat: -rw-r--r-- 904 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
 
// RUN: %target-swift-frontend -O %s -disable-llvm-optzns -emit-sil -g -o - | %FileCheck %s

// CHECK: sil shared [noinline] @$s14specialization3sumyxx_xtAA5ProtoRzlFAA7AddableV_Tg5
// CHECK-SAME: $@convention(thin) (Addable, Addable) -> Addable {
// CHECK: bb0(%0 : $Addable, %1 : $Addable):
// CHECK:  debug_value %0 : $Addable, let, name "i", argno 1
// CHECK:  debug_value %1 : $Addable, let, name "j", argno 2

public protocol Proto {
  static func +(lhs: Self, rhs: Self) -> Self
}

@inline(never)
public func sum<T : Proto>(_ i : T, _ j : T) -> T {
  let result = i + j
  return result
}

func add(_ x: Int, _ y: Int) -> Int { return x+y }
public struct Addable : Proto {
  let val : Int
  init(_ i : Int) { val = i }
  public static func +(lhs: Addable, rhs: Addable) -> Addable {
    return Addable(add(lhs.val, rhs.val))
  }
}


public func inc(_ i: inout Addable) {
  i = sum(i, Addable(1))
}