ToMap
func ToMap[T any, K comparable](input *Channel[T], getKey func(T) K, opts ...options.ToMapOption) <-chan map[K]T
ToMap
puts all values coming from the input channel in a map, using the getKey
parameter to calculate the key.
The resulting map is sent to the returned channel when all input values have been processed, or the pipeline is canceled.
Example
output := ToMap(input, func(value string) string { return strings.Split(value, "_")[0] })
result = {A:A_0, B:B_1, C:C_2}