mirror of
https://github.com/1f349/lotus.git
synced 2024-12-23 00:24:17 +00:00
24 lines
657 B
Go
24 lines
657 B
Go
|
package map_provider
|
||
|
|
|
||
|
|
// MapProvider is an interface to allow looking up mapped values from variables,
|
||
|
|
// hash files or mysql queries.
|
||
|
|
type MapProvider interface {
|
||
|
|
Find(name string) (string, bool)
|
||
|
|
}
|
||
|
|
|
||
|
|
// SequenceMapProvider calls Find against each provider in a slice and outputs
|
||
|
|
// the true mapped value of the input. first mapped value found. If the input was
|
||
|
|
// not found then "", false is returned.
|
||
|
|
type SequenceMapProvider []MapProvider
|
||
|
|
|
||
|
|
func (s SequenceMapProvider) Find(name string) (string, bool) {
|
||
|
|
for _, i := range s {
|
||
|
|
if find, ok := i.Find(name); ok {
|
||
|
|
return find, true
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return "", false
|
||
|
|
}
|
||
|
|
|
||
|
|
var _ MapProvider = SequenceMapProvider{}
|