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Optional arguments given as ~?arg instead of ?arg in message #6408

vicuna opened this issue May 9, 2014 · 1 comment


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commented May 9, 2014

Original bug ID: 6408
Reporter: mkoconnor
Status: closed (set by @damiendoligez on 2014-05-16T15:58:06Z)
Resolution: fixed
Priority: low
Severity: text
Fixed in version: 4.02.0+dev
Category: ~DO NOT USE (was: OCaml general)
Monitored by: @hcarty

Bug description

In code such as below a function's incorrect optional argument is reported in the error message as ~?arg instead of ?arg.

Steps to reproduce

OCaml version 4.01.0

(fun (_ : (x:unit -> unit)) -> ()) (fun ?x:_ -> ());;

Error: This function should have type x:unit -> unit
but its first argument is labelled ~?x

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commented May 16, 2014

Comment author: @damiendoligez

Thanks for the patch, I applied it in branch 4.02 (commits 14882 and 14883)

@vicuna vicuna closed this May 16, 2014

@vicuna vicuna added the bug label Mar 20, 2019

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