Interface Matcher

chapter2/sample/search/match.go:15–17

Matcher defines the behavior required by types that want to implement a new search type.

// Matcher defines the behavior required by types that want
// to implement a new search type.
type Matcher interface {
	Search(feed *Feed, searchTerm string) ([]*Result, error)
}

// Match is launched as a goroutine for each individual feed to run
// searches concurrently.