22 lines
456 B
Go
22 lines
456 B
Go
|
package handlebars
|
||
|
|
|
||
|
|
import "reflect"
|
||
|
|
|
||
|
|
type virtualMethod func(ctx reflect.Value) (val reflect.Value, hasMethod bool)
|
||
|
|
|
||
|
|
func getVirtualMethod(name string) virtualMethod {
|
||
|
|
switch name {
|
||
|
|
case "length":
|
||
|
|
return vmethodLength
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func vmethodLength(ctx reflect.Value) (reflect.Value, bool) {
|
||
|
|
switch ctx.Kind() {
|
||
|
|
case reflect.Slice, reflect.Array, reflect.String, reflect.Map:
|
||
|
|
return reflect.ValueOf(ctx.Len()), true
|
||
|
|
}
|
||
|
|
return zero, false
|
||
|
|
}
|