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
}