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strings.Join vs fmt.Sprintf vs string concat (+)
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package join | |
import ( | |
"fmt" | |
"strings" | |
"testing" | |
) | |
var ( | |
testData = []string{"a", "b", "c", "d", "e"} | |
) | |
func BenchmarkJoin(b *testing.B) { | |
for i := 0; i < b.N; i++ { | |
s := strings.Join(testData, ":") | |
_ = s | |
} | |
} | |
func BenchmarkSprintf(b *testing.B) { | |
for i := 0; i < b.N; i++ { | |
s := fmt.Sprintf("%s:%s:%s:%s:%s", testData[0], testData[1], testData[2], testData[3], testData[4]) | |
_ = s | |
} | |
} | |
func BenchmarkConcat(b *testing.B) { | |
for i := 0; i < b.N; i++ { | |
s := testData[0] + ":" + testData[1] + ":" + testData[2] + ":" + testData[3] + ":" + testData[4] | |
_ = s | |
} | |
} |
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