[Rd] Capturing environment associated with a promise

Hadley Wickham h.wickham at gmail.com
Mon Oct 8 15:22:06 CEST 2012

Hi all,

It's possible to capture the expression associated with a promise
(using substitute). Is there any way to capture the environment
associated with a promise?  Similarly, is there any way to tell if
something is a promise without accidentally evaluating it?



RStudio / Rice University

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