flat_map multimethod

Methods

flat_map(e:Eachable1, mapper:Fun) Source: stdlib.ngs:1435

Map and flatten. Applies mapper to each element of e, collects results, and flattens the results (one level).

Example

[2,0,4].flat_map(F(e) Result({ 12 / e}).Box())  # [6, 3]
[2,0,4].flat_map(F(e) [1, e*2])  # [1,4, 1,0, 1,8]