[#BOO-960] Compiler cannot disambiguate between regular and generically mapped callables

Boo

Compiler cannot disambiguate between regular and generically mapped callables

Created: 05/Feb/08 03:14 PM Updated: 09/Apr/08 04:50 PM

Component/s:

None

Affects Version/s:

0.8

Fix Version/s:

0.8.1

Time Tracking:

Not Specified

Issue Links:

Related

This issue relates to:

~~BOO-992~~ Compiler cannot disambiguate between non-generic and generic with the same name (including generic with a different number of generic parameters)

Testcase included:

yes

Description

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(forked from ~~BOO-882~~)

The compiler cannot disambiguate between different callables with the same signature, where one of the callables was created as a result of generic construction.

class Class[of T]:
  def Method(arg as int):
    return "regular method"

  def Method(arg as T):
    return "generic mapped method"

c = Class[of int]()
print c.Method(42)

The code above should print "regular method", but gives a "cannot resolve ambiguous member" error.

According to the C# spec, the most specific member should be selected - in this case, the one with no generic arguments.

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Avishay Lavie - 06/Feb/08 04:24 PM

Fixed in 2852.