diff options
Diffstat (limited to 'test/range4.go')
-rw-r--r-- | test/range4.go | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/range4.go b/test/range4.go index 696b205ab7..0b051f6d3c 100644 --- a/test/range4.go +++ b/test/range4.go @@ -311,6 +311,30 @@ func testcalls() { } } +type iter3YieldFunc func(int, int) bool + +func iter3(list ...int) func(iter3YieldFunc) { + return func(yield iter3YieldFunc) { + for k, v := range list { + if !yield(k, v) { + return + } + } + } +} + +func testcalls1() { + ncalls := 0 + for k, v := range iter3(1, 2, 3) { + _, _ = k, v + ncalls++ + } + if ncalls != 3 { + println("wrong number of calls:", ncalls, "!= 3") + panic("fail") + } +} + func main() { testfunc0() testfunc1() @@ -323,4 +347,5 @@ func main() { testfunc8() testfunc9() testcalls() + testcalls1() } |