It's not equivalent, but it does what you want it to do, doesn't it? You want to stringify the SV under all circumstances, but you don't want to see any undef warnings. SvOK tests for undef-ness. Check SvOK, and if the scalar is not defined, set its PV to an empty string. Doesn't that work?

--
Marvin Humphrey
Rectangular Research ― http://www.rectangular.com

In reply to Re^3: XS/Inline::C concat *any* two SVs. by creamygoodness
in thread XS/Inline::C concat *any* two SVs. by BrowserUk

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