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This test checks behavior of completion within append expressions.
It requires go1.23 as the new "structs" package appears as a completion.
-- flags --
-ignore_extra_diags
-min_go=go1.23
-- go.mod --
module golang.org/lsptests/append
go 1.18
-- append.go --
package append
func foo([]string) {}
func bar(...string) {}
func _() {
var (
aInt []int //@item(appendInt, "aInt", "[]int", "var")
aStrings []string //@item(appendStrings, "aStrings", "[]string", "var")
aString string //@item(appendString, "aString", "string", "var")
)
append(aStrings, a) //@rank(")", appendString, appendInt)
var _ interface{} = append(aStrings, a) //@rank(")", appendString, appendInt)
var _ []string = append(oops, a) //@rank(")", appendString, appendInt)
foo(append()) //@rank("))", appendStrings, appendInt),rank("))", appendStrings, appendString)
foo(append([]string{}, a)) //@rank("))", appendStrings, appendInt),rank("))", appendString, appendInt),snippet("))", appendStrings, "aStrings...")
foo(append([]string{}, "", a)) //@rank("))", appendString, appendInt),rank("))", appendString, appendStrings)
// Don't add "..." to append() argument.
bar(append()) //@snippet("))", appendStrings, "aStrings")
type baz struct{}
baz{} //@item(appendBazLiteral, "baz{}", "", "var")
var bazzes []baz //@item(appendBazzes, "bazzes", "[]baz", "var")
var bazzy baz //@item(appendBazzy, "bazzy", "baz", "var")
bazzes = append(bazzes, ba) //@rank(")", appendBazzy, appendBazLiteral, appendBazzes)
var b struct{ b []baz }
b.b //@item(appendNestedBaz, "b.b", "[]baz", "field")
b.b = append(b.b, b) //@rank(")", appendBazzy, appendBazLiteral, appendNestedBaz)
var aStringsPtr *[]string //@item(appendStringsPtr, "aStringsPtr", "*[]string", "var")
foo(append([]string{}, a)) //@snippet("))", appendStringsPtr, "*aStringsPtr...")
foo(append([]string{}, *a)) //@snippet("))", appendStringsPtr, "aStringsPtr...")
}
-- append2.go --
package append
func _() {
_ = append(a, struct) //@complete(")", structs)
}
//@item(structs, "structs", `"structs"`)
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