[Rd] anyway to get R unevaluated expr independent on arguments

From: Zheng, Xin (NIH) [C] <zhengxin_at_mail.nih.gov>
Date: Thu, 07 Apr 2011 17:18:53 -0400


Hi there,

Suppose the cmd is "a<-3", I can parse the cmd sexp with R_ParseVector and eval it. My question is - is it possible to parse a cmd like "a <- ?", afterwards evaluation will give corresponding result depend on different argument? In other words, '?' is just a placeholder.

Thanks.

Xin

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