Issue #7861 has been reported by nobu (Nobuyoshi Nakada).

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Bug #7861: New macro for the new feature of rb_scan_args()
https://bugs.ruby-lang.org/issues/7861

Author: nobu (Nobuyoshi Nakada)
Status: Assigned
Priority: Immediate
Assignee: mame (Yusuke Endoh)
Category: core
Target version: 2.0.0
ruby -v: 2.0.0


=begin
(({rb_scan_args()})) has new feature since 1.9.3, but there is no way to tell if it is available from extension libraries.
So we have to provide a preprocessor symbol for it now.

The name in my mind is (({HAVE_RB_SCAN_ARGS_OPTIONAL_HASH})) now.
Any ideas?
=end



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