template/brain.go
func (b *Brain) Remember(d dep.Dependency, data interface{}) {
	b.Lock()
	defer b.Unlock()

	b.data[d.String()] = data
	b.receivedData[d.String()] = struct{}{}
}
func (b *Brain) Remember(d dep.Dependency, data interface{}) {
	b.Lock()
	defer b.Unlock()

	b.data[d.String()] = data
	b.receivedData[d.String()] = struct{}{}
}
// Remember accepts a dependency and the data to store associated with that
// dep. This function converts the given data to a proper type and stores
// it interally.