Issue 18 in ocaml-extlib: OptParse.OptParser.error should return 'a not unit

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Status: New
Owner: ----

New issue 18 by headch: OptParse.OptParser.error should return 'a not unit
http://code.google.com/p/ocaml-extlib/issues/detail?id=18

The error function is guaranteed to always terminate the process rather
than returning. Therefore, it should be declared as returning 'a (that is,
*anything*) rather than unit. This means it can be called in e.g.
conditional branches where values would otherwise be required. I see that
the last line of the error function is call to Pervasives.exit (in the
manual exit's return type is declared as 'a I believe for this exact
reason) so this is a change to interface only that doesn't require any
changes to the implementation.

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Updates:
Status: Fixed

Comment #1 on issue 18 by ygrekheretix: OptParse.OptParser.error should

return 'a not unit
http://code.google.com/p/ocaml-extlib/issues/detail?id=18

This issue was closed by revision r420.

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