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test: test append with two different named types with same element type
R=golang-dev, gri CC=golang-dev https://golang.org/cl/5615045
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@ -27,6 +27,7 @@ func main() {
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}
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verifyStruct()
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verifyInterface()
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verifyType()
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}
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@ -230,3 +231,17 @@ func verifyInterface() {
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verify("interface l", append(s), s)
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verify("interface m", append(s, e...), r)
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}
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type T1 []int
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type T2 []int
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func verifyType() {
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// The second argument to append has type []E where E is the
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// element type of the first argument. Test that the compiler
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// accepts two slice types that meet that requirement but are
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// not assignment compatible. The return type of append is
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// the type of the first argument.
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t1 := T1{1}
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t2 := T2{2}
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verify("T1", append(t1, t2...), T1{1, 2})
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}
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