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test/interface/embed.go
61 строка
924 B
Rob Pike
test/interface: document tests
19 фев 2012, 10:33
19 фев 2012, 10:33
13514d4
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// run // 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. // Test methods derived from embedded interface values. package main import "os" const Value = 1e12 type Inter interface { M() int64 } type T int64 func (t T) M() int64 { return int64(t) } var t = T(Value) var pt = &t var ti Inter = t type S struct { Inter } var s = S{ ti } var ps = &s var i Inter var ok = true func check(s string, v int64) { if v != Value { println(s, v) ok = false } } func main() { check("t.M()", t.M()) check("pt.M()", pt.M()) check("ti.M()", ti.M()) check("s.M()", s.M()) check("ps.M()", ps.M()) i = t check("i = t; i.M()", i.M()) i = pt check("i = pt; i.M()", i.M()) i = s check("i = s; i.M()", i.M()) i = ps check("i = ps; i.M()", i.M()) if !ok { println("BUG: interface10") os.Exit(1) } }