first-time-value
2018-12-10
Returns the result of evaluating a form in the current lexical and dynamic context the first time it's encountered, and the cached result of that computation on subsequent evaluations.
Author
Jean-Philippe Paradis <hexstream@hexstreamsoft.com>, Jean-Philippe Paradis <hexstream@gmail.com>
License
Public Domain
Project's home: https://www.hexstreamsoft.com/libraries/first-time-value/
Returns the result of evaluating a form in the current lexical
and dynamic context the first time it's encountered, and the cached result
of that computation on subsequent evaluations.
This library is in the Public Domain.
See the UNLICENSE file for details.