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exception with object yields incorrect type #4481

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vicuna opened this Issue Jan 18, 2008 · 1 comment

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vicuna commented Jan 18, 2008

Original bug ID: 4481
Reporter: hirokawa
Status: closed (set by @garrigue on 2008-01-18T03:48:37Z)
Resolution: fixed
Priority: normal
Severity: minor
Version: 3.10.1
Fixed in version: 3.10+dev
Category: ~DO NOT USE (was: OCaml general)
Related to: #4817
Monitored by: hirokawa

Bug description

When catching an exception whose argument is an
object of type < .. >, ocaml infers a wrong type.
Here is a short example:

exception A of < .. >;;

exception A of < .. >

try raise (A (object method x = 1 end)) with A o -> o#x;;

  • : 'a =

The type of the last expression should be int.

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vicuna commented Jan 18, 2008

Comment author: @garrigue

This is the 3rd avatar of type variables going unchecked in exceptions...
Actually, the exception definition itself shall be rejected.
Thanks for reporting it, this is now fixed in CVS.

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