1 (defpackage #:portaCL
 2   (:use #:cl)
 3   (:export ;; working with feature expressions
 4            #:define-feature-test
 5            #:featurep
 6 
 7            ;; feature-expression-based control flow
 8            #:feature-if
 9            #:feature-when
10            #:feature-unless
11            #:feature-cond
12            #:feature-econd
13 
14            ;; failure modes
15            #:not-implemented
16            #:not-supported
17            #:not-necessary
18 
19            ;; ASDF support
20            #:port-file
21            #:port-module
22 
23            ;; Enhanced feature reader support
24            #:install-feature-readers))