Optimize Data.Char
Many of the predicates in Data.Char do full Unicode category lookups which turns out to be quite expensive. Ideally we would handle some of the more common ASCII characters with cheaper tests before falling back to the full Unicode treatment.
Trac metadata
| Trac field | Value |
|---|---|
| Version | 7.10.3 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Core Libraries |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | ekmett |
| Operating system | |
| Architecture |