#2896: Warning suggestion: argument not necessarily a binary operator
-----------------------------+----------------------------------------------
Reporter: porges | Owner:
Type: feature request | Status: new
Priority: normal | Component: Compiler
Version: 6.10.1 | Severity: normal
Keywords: | Testcase:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
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As an example:
{{{
let fn (+) = 1; fn x = 2 in fn 1
}}}
The suggested warning is that: if an argument to a function consists
entirely of characters which are symbols (all isSymbol), and the type of
that argument isn't (a -> b -> c), then produce a warning.
Suggested wording is something along the lines of "Warning: the argument
'(+)' isn't necessarily a binary operator, although it looks like one.
This may be confusing to readers of your code."
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2896>
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