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We can't do Org-Slime without CL::LET.

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This commit is contained in:
Gerd Heber 2018-01-29 20:14:16 -06:00
parent 0d29b9e591
commit a3e2718154
1 changed files with 20 additions and 3 deletions
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23
examples/pcl/Packages_in_Common_Lisp.org
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@ -1324,11 +1324,28 @@
tricky.
#+BEGIN_SRC lisp :session pcl :package "P2" :exports both :results value verbatim
(common-lisp::import
'(common-lisp::progn common-lisp::ignore-errors common-lisp::multiple-value-list common-lisp::+)
"P2")
(common-lisp::import 'common-lisp::let "P2")
#+END_SRC
#+BEGIN_SRC lisp :session pcl :package "P2" :exports both :results value verbatim
(unuse-package "COMMON-LISP" "P2")
#+END_SRC
#+BEGIN_SRC lisp :session pcl :package "P2" :exports both :results value verbatim
(common-lisp::multiple-value-list
(common-lisp::ignore-errors
(+ 2 2)))
#+END_SRC
The notation for the external symbol =t= in the package ="COMMON-LISP"= has
become =common-lisp:t=, for ="COMMON-LISP"= is no longer used by ="P2"=.
Since the symbol =t= is external in ="COMMON-LISP"=, the simple colon
notation is sufficient. However, the most elementary operations are not
easily accessible anymore, for example, the addition function ='+'=. This is
not a good position to be in. Let us go back to the previous environment!
#+BEGIN_SRC lisp :session pcl :package "P2" :exports both :results value verbatim
(common-lisp::multiple-value-list
(common-lisp::ignore-errors
(use-package "COMMON-LISP" "P2")))
#+END_SRC