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// Copyright (c) 2014 Dataence, LLC. 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 main
import (
"fmt"
"time"
)
var amap map[rune]rune = map[rune]rune{
'a': 'a',
'b': 'b',
'c': 'c',
'd': 'd',
'e': 'e',
'f': 'f',
'g': 'g',
}
func runswitch(a rune) rune {
i := 0
switch {
case i == 0 && a == 'a':
return a
case i == 0 && a == 'b':
return a
case i == 0 && a == 'c':
return a
case i == 0 && a == 'd':
return a
case i == 0 && a == 'e':
return a
case i == 0 && a == 'f':
return a
case i == 0 && a == 'g':
return a
}
return a
}
func runmap(a rune) rune {
return amap[a]
}
func main() {
now := time.Now()
for i := 0; i < 1000000; i++ {
runswitch('g')
}
fmt.Println(time.Since(now))
now = time.Now()
for i := 0; i < 1000000; i++ {
runmap('g')
}
fmt.Println(time.Since(now))
}
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