go test -bench=. -benchmem
BenchmarkTypeof-4 10000000 153 ns/op 16 B/op 1 allocs/op
BenchmarkReflectTypeOf-4 50000000 27.4 ns/op 0 B/op 0 allocs/op
PASS
ok github.com/mrap/bench/typeof 3.099s
Created
April 6, 2017 20:50
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Benchmarks for getting object type in go. http://stackoverflow.com/a/27160765/2078664
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| package typeof_test | |
| import ( | |
| "fmt" | |
| "reflect" | |
| "testing" | |
| ) | |
| type T struct { | |
| } | |
| func typeof(v interface{}) string { | |
| return fmt.Sprintf("%T", v) | |
| } | |
| func reflectTypeof(v interface{}) string { | |
| return reflect.TypeOf(v).String() | |
| } | |
| func BenchmarkTypeof(b *testing.B) { | |
| var v T | |
| for i := 0; i < b.N; i++ { | |
| typeof(v) | |
| } | |
| } | |
| func BenchmarkReflectTypeOf(b *testing.B) { | |
| var v T | |
| for i := 0; i < b.N; i++ { | |
| reflectTypeof(v) | |
| } | |
| } |
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