foldl' is not a good consumer
Some fancy footwork went into making length a good consumer. Since length = foldl' (\n _ -> n + 1) 0, I was wondering if a trick similar to the one used for length might work for more general strict left folds.
Trac metadata
| Trac field | Value |
|---|---|
| Version | 7.8.3 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | libraries/base |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | ekmett, hvr |
| Operating system | |
| Architecture |