"compiler/backpack" did not exist on "master"
Support pattern synonyms in GHCi
Pattern synonyms are not parsed in GHCi:
λ» :set -XPatternSynonyms
λ» pattern P x = x
<interactive>:5:1: parse error on input ‘pattern’
Trac metadata
| Trac field | Value |
|---|---|
| Version | 7.8.3 |
| Type | FeatureRequest |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | GHCi |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | #7253 (closed), #8749 (closed) |
| Blocking | |
| CC | hvr |
| Operating system | |
| Architecture |