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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
This commit is contained in:
Ian Lance Taylor 2012-02-01 15:24:15 -08:00
parent 4ea5d62e5a
commit 3692726f32

View File

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