// Copyright (c) 2023 IBM Corp. // All rights reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package semigroup import ( "testing" "github.com/stretchr/testify/assert" ) func TestFirst(t *testing.T) { first := First[int]() assert.Equal(t, 1, first.Concat(1, 2)) } func TestLast(t *testing.T) { last := Last[int]() assert.Equal(t, 2, last.Concat(1, 2)) }