Match is missing a Data instance
If I try to use showAstData
on a Match
then GHC complains that there is no
Data instance.
No instance for (Data (Expr.Match p (Expr.LHsExpr p)))
It seems that all the constituent parts of Match
have a Data
instance so Match
should as well.
Trac metadata
Trac field | Value |
---|---|
Version | 8.4.3 |
Type | Task |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Compiler |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | |
Operating system | |
Architecture |