Regression in mapM_ performance
The current mapM_
is sometimes worse than the version in 7.8.3. This can be fixed easily by eta-expansion, matching mapM
.
Trac metadata
Trac field | Value |
---|---|
Version | 7.10.1-rc2 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Core Libraries |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | core-libraries-committee@haskell.org |
Operating system | |
Architecture |