mirror of
https://github.com/IBM/fp-go.git
synced 2025-12-21 23:47:34 +02:00
74 lines
1.6 KiB
Go
74 lines
1.6 KiB
Go
// Copyright (c) 2023 - 2025 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 tuple_test
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/IBM/fp-go/v2/tuple"
|
|
)
|
|
|
|
func ExampleOf() {
|
|
t := tuple.Of(42)
|
|
fmt.Println(t)
|
|
// Output:
|
|
// Tuple1[int](42)
|
|
}
|
|
|
|
func ExampleFirst() {
|
|
t := tuple.MakeTuple2("hello", 42)
|
|
s := tuple.First(t)
|
|
fmt.Println(s)
|
|
// Output:
|
|
// hello
|
|
}
|
|
|
|
func ExampleSecond() {
|
|
t := tuple.MakeTuple2("hello", 42)
|
|
n := tuple.Second(t)
|
|
fmt.Println(n)
|
|
// Output:
|
|
// 42
|
|
}
|
|
|
|
func ExampleSwap() {
|
|
t := tuple.MakeTuple2("hello", 42)
|
|
swapped := tuple.Swap(t)
|
|
fmt.Println(swapped)
|
|
// Output:
|
|
// Tuple2[int, string](42, hello)
|
|
}
|
|
|
|
func ExampleOf2() {
|
|
pairWith42 := tuple.Of2[string](42)
|
|
t := pairWith42("hello")
|
|
fmt.Println(t)
|
|
// Output:
|
|
// Tuple2[string, int](hello, 42)
|
|
}
|
|
|
|
func ExampleBiMap() {
|
|
t := tuple.MakeTuple2(5, "hello")
|
|
mapper := tuple.BiMap(
|
|
func(s string) int { return len(s) },
|
|
func(n int) string { return fmt.Sprintf("%d", n*2) },
|
|
)
|
|
result := mapper(t)
|
|
fmt.Println(result)
|
|
// Output:
|
|
// Tuple2[string, int](10, 5)
|
|
}
|