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test/fixedbugs/bug248.dir/bug2.go
73 строки
1 KB
Matthew Dempsky
[dev.typeparams] test: update regress tests for types2
19 май 2021, 09:26
19 май 2021, 09:26
c81562d
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// 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|cannot use" v1 = v0 // ERROR "assign|cannot use" 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 }