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Diffstat (limited to '')
-rw-r--r-- | test/fixedbugs/bug248.dir/bug2.go | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/test/fixedbugs/bug248.dir/bug2.go b/test/fixedbugs/bug248.dir/bug2.go new file mode 100644 index 0000000..c0fdecf --- /dev/null +++ b/test/fixedbugs/bug248.dir/bug2.go @@ -0,0 +1,73 @@ +// Copyright 2010 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 s + +import ( + p0 "./bug0" + p1 "./bug1" +) + +// both p0.T and p1.T are struct { X, Y int }. + +var v0 p0.T +var v1 p1.T + +// interfaces involving the two + +type I0 interface { + M(p0.T) +} + +type I1 interface { + M(p1.T) +} + +// t0 satisfies I0 and p0.I +type t0 int + +func (t0) M(p0.T) {} + +// t1 satisfies I1 and p1.I +type t1 float64 + +func (t1) M(p1.T) {} + +// check static interface assignments +var i0 I0 = t0(0) // ok +var i1 I1 = t1(0) // ok + +var i2 I0 = t1(0) // ERROR "does not implement|incompatible" +var i3 I1 = t0(0) // ERROR "does not implement|incompatible" + +var p0i p0.I = t0(0) // ok +var p1i p1.I = t1(0) // ok + +var p0i1 p0.I = t1(0) // ERROR "does not implement|incompatible" +var p0i2 p1.I = t0(0) // ERROR "does not implement|incompatible" + +func foobar() { + // check that cannot assign one to the other, + // but can convert. + v0 = v1 // ERROR "assign" + v1 = v0 // ERROR "assign" + + v0 = p0.T(v1) + v1 = p1.T(v0) + + i0 = i1 // ERROR "cannot use|incompatible" + i1 = i0 // ERROR "cannot use|incompatible" + p0i = i1 // ERROR "cannot use|incompatible" + p1i = i0 // ERROR "cannot use|incompatible" + i0 = p1i // ERROR "cannot use|incompatible" + i1 = p0i // ERROR "cannot use|incompatible" + p0i = p1i // ERROR "cannot use|incompatible" + p1i = p0i // ERROR "cannot use|incompatible" + + i0 = p0i + p0i = i0 + + i1 = p1i + p1i = i1 +} |