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IDProjectCategoryView StatusDate SubmittedLast Update
0003748OCamlOCaml generalpublic2005-08-05 21:062005-08-10 18:53
Reporteradministrator 
Assigned To 
PrioritynormalSeverityfeatureReproducibilityalways
StatusacknowledgedResolutionopen 
PlatformOSOS Version
Product Version 
Target VersionFixed in Version 
Summary0003748: "equal: functional value" should issue a warning
DescriptionFull_Name: Henri
Version: 3.08.2
OS: linux
Submission from: aorleans-104-1-15-86.w80-11.abo.wanadoo.fr (80.11.35.86)


Equality is not defined for functional values, but, in the following code:

let _ =
  let f x = x in
  let g x = x in
  exit (if f = g then 1 else 2)

seamaster% ocamlopt -o test test.ml
seamaster% ./test
Fatal error: exception Invalid_argument("equal: functional value")

The compiler should know that the type of f (and g) is arrow and should at least
issue a warning or even an error, instead of compiling silently and raising an
Invalid_argument at runtime.

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- Issue History
Date Modified Username Field Change
2005-11-18 10:13 administrator New Issue


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