Incorrect Record Pattern Synonym example in users guide
The first example in section 9.7.1 of the users guide provides the example
pattern Point :: (Int, Int)
pattern Point{x, y} = (x, y)
which results in the error
• Pattern synonym ‘Point’ has two arguments
but its type signature has none
• In the declaration for pattern synonym ‘Point’
upon load.
I believe the correct code is as follows.
pattern Point :: Int -> Int -> (Int, Int)
pattern Point{x, y} = (x, y)
Trac metadata
| Trac field | Value |
|---|---|
| Version | 8.0.1 |
| Type | Task |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Documentation |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | |
| Architecture |