Because it's literally ten times faster: benchmark old ns/op new ns/op delta BenchmarkMatch-8 13842 1200 -91.33% BenchmarkMatchCached-8 139 147 +5.76% benchmark old allocs new allocs delta BenchmarkMatch-8 0 0 +0.00% BenchmarkMatchCached-8 0 0 +0.00% benchmark old bytes new bytes delta BenchmarkMatch-8 12 0 -100.00% BenchmarkMatchCached-8 0 0 +0.00%
28 lines
371 B
Go
28 lines
371 B
Go
package match
|
|
|
|
import (
|
|
"fmt"
|
|
)
|
|
|
|
type Nothing struct{}
|
|
|
|
func NewNothing() Nothing {
|
|
return Nothing{}
|
|
}
|
|
|
|
func (self Nothing) Match(s string) bool {
|
|
return len(s) == 0
|
|
}
|
|
|
|
func (self Nothing) Index(s string) (int, []int) {
|
|
return 0, segments0
|
|
}
|
|
|
|
func (self Nothing) Len() int {
|
|
return lenZero
|
|
}
|
|
|
|
func (self Nothing) String() string {
|
|
return fmt.Sprintf("<nothing>")
|
|
}
|