Make list monad operations fuse
We like to think that do {x <- xs; y <- f x ; return g y} is the same as [g y | x <- xs, y <- f x], but the former does not fuse nearly as well. Let's fix that.
Trac metadata
| Trac field | Value |
|---|---|
| Version | 7.9 |
| Type | Task |
| 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 |