diff options
Diffstat (limited to 'test/func5.go')
-rw-r--r-- | test/func5.go | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/test/func5.go b/test/func5.go new file mode 100644 index 000000000..556d94d29 --- /dev/null +++ b/test/func5.go @@ -0,0 +1,77 @@ +// $G $D/$F.go && $L $F.$A && ./$A.out + +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func caller(f func(int, int) int, a, b int, c chan int) { + c <- f(a,b) +} + +func gocall(f func(int, int) int, a, b int) int { + c := make(chan int); + go caller(f, a, b, c); + return <-c; +} + +func call(f func(int, int) int, a, b int) int { + return f(a, b) +} + +func call1(f func(int, int) int, a, b int) int { + return call(f, a, b) +} + +var f func(int, int) int + +func add(x, y int) int { + return x + y +} + +func fn() (func(int, int) int) { + return f +} + +var fc func(int, int, chan int) + +func addc(x, y int, c chan int) { + c <- x+y +} + +func fnc() (func(int, int, chan int)) { + return fc +} + +func three(x int) { + if x != 3 { + panic("wrong val", x) + } +} + +var notmain func() + +func main() { + three(call(add, 1, 2)); + three(call1(add, 1, 2)); + f = add; + three(call(f, 1, 2)); + three(call1(f, 1, 2)); + three(call(fn(), 1, 2)); + three(call1(fn(), 1, 2)); + three(call(func(a,b int) int {return a+b}, 1, 2)); + three(call1(func(a,b int) int {return a+b}, 1, 2)); + + fc = addc; + c := make(chan int); + go addc(1, 2, c); + three(<-c); + go fc(1, 2, c); + three(<-c); + go fnc()(1, 2, c); + three(<-c); + go func(a, b int, c chan int){c <- a+b}(1, 2, c); + three(<-c); +} + |