Add Data.Set.mapMaybe
This function is also available for lists (from Data.Maybe) and Maps (Data.Set). The semantics are straightforward:
mapMaybe f = fromList . catMaybes . map f . toList
Trac metadata
Trac field | Value |
---|---|
Version | 6.8 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | libraries/base |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | |
Operating system | Unknown |
Architecture | Unknown |