simplify

lang/funcs/collection.go

@@ -800,14 +800,7 @@ var MatchkeysFunc = function.New(&function.Spec{
 		},
 	},
 	Type: func(args []cty.Value) (cty.Type, error) {
-		// Verify that args[1] (keys) and args[2] (searchset) are of the same
-		// (or unifiable) type
-		argTypes := make([]cty.Type, 2)
-		for i := 0; i < 2; i++ {
-			argTypes[i] = args[i+1].Type()
-		}
-
-		ty, _ := convert.UnifyUnsafe(argTypes)
+		ty, _ := convert.UnifyUnsafe([]cty.Type{args[1].Type(), args[2].Type()})
 		if ty == cty.NilType {
 			return cty.NilType, errors.New("keys and searchset must be of the same type")
 		}
@@ -830,11 +823,7 @@ var MatchkeysFunc = function.New(&function.Spec{
 		// Keys and searchset must be the same type.
 		// We can skip error checking here because we've already verified that
 		// they can be unified in the Type function
-		argTypes := make([]cty.Type, 2)
-		for i := 0; i < 2; i++ {
-			argTypes[i] = args[i+1].Type()
-		}
-		ty, _ := convert.UnifyUnsafe(argTypes)
+		ty, _ := convert.UnifyUnsafe([]cty.Type{args[1].Type(), args[2].Type()})
 		keys, _ := convert.Convert(args[1], ty)
 		searchset, _ := convert.Convert(args[2], ty)