package main

import "testing"

func concat2(a, b string) string {
	return a + b
}

func concat3(a, b, c string) string {
	return a + b + c
}

func concat4(a, b, c, d string) string {
	return a + b + c + d
}

func concat5(a, b, c, d, e string) string {
	return a + b + c + d + e
}

func concat6(a, b, c, d, e, f string) string {
	return a + b + c + d + e + f
}

var a = "foo"
var _b = "bar"
var c = "baz"
var d = "ipsum"
var e = "lorem"
var f = "dolor"

func BenchmarkConcat2(b *testing.B) {
	for i := 0; i < b.N; i++ {
		_ = concat2(a, _b)
	}
}

func BenchmarkConcat3(b *testing.B) {
	for i := 0; i < b.N; i++ {
		_ = concat3(a, _b, c)
	}
}

func BenchmarkConcat4(b *testing.B) {
	for i := 0; i < b.N; i++ {
		_ = concat4(a, _b, c, e)
	}
}

func BenchmarkConcat5(b *testing.B) {
	for i := 0; i < b.N; i++ {
		_ = concat5(a, _b, c, e, d)
	}
}

func BenchmarkConcat6(b *testing.B) {
	for i := 0; i < b.N; i++ {
		_ = concat6(a, _b, c, e, d, f)
	}
}