go vendor

vendor/github.com/PuerkitoBio/goquery/iteration.go

@@ -0,0 +1,33 @@
+package goquery
+
+// Each() iterates over a Selection object, executing a function for each
+// matched element. It returns the current Selection object.
+func (this *Selection) Each(f func(int, *Selection)) *Selection {
+	for i, n := range this.Nodes {
+		f(i, newSingleSelection(n, this.document))
+	}
+	return this
+}
+
+// EachWithBreak() iterates over a Selection object, executing a function for each
+// matched element. It is identical to `Each()` except that it is possible to break
+// out of the loop by returning `false` in the callback function. It returns the
+// current Selection object.
+func (this *Selection) EachWithBreak(f func(int, *Selection) bool) *Selection {
+	for i, n := range this.Nodes {
+		if !f(i, newSingleSelection(n, this.document)) {
+			return this
+		}
+	}
+	return this
+}
+
+// Map() passes each element in the current matched set through a function,
+// producing a slice of string holding the returned values.
+func (this *Selection) Map(f func(int, *Selection) string) (result []string) {
+	for i, n := range this.Nodes {
+		result = append(result, f(i, newSingleSelection(n, this.document)))
+	}
+
+	return result
+}