chore: fix $PATH

.github/workflows/test.yml

@@ -22,7 +22,7 @@ jobs:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@v2
 
-      - uses: cachix/install-nix-action@v15
+      - uses: cachix/install-nix-action@v19
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -34,6 +34,15 @@ jobs:
           cd
 
           nix profile install nixpkgs\#sbcl
+
+      - name: setup lisp
+        run: |
+          set -x
+          nix profile list
+          export PATH="$HOME/.nix-profile/bin:$PATH"
+          echo $PATH
+          ls ~/.nix-profile/bin
+          sbcl --quit
           command -v sbcl || exit 36
 
           wget 'https://beta.quicklisp.org/quicklisp.lisp'
@@ -47,6 +56,7 @@ jobs:
 
       - name: run tests
         run: |
+          export PATH="$HOME/.nix-profile/bin:$PATH"
           cd "$GITHUB_WORKSPACE"
           sbcl --disable-debugger --no-userinit \
                --load "$HOME/quicklisp/setup.lisp" \

lens.lisp

@@ -132,6 +132,7 @@
 (defmacro disj (&rest fns)
   (let ((dat (gensym "dat")))
     `(lambda (,dat)
+       (declare (ignorable ,dat))
        (or ,@(mapcar (lambda (fn)
                        `(funcall ,fn ,dat))
                      fns)))))
@@ -291,10 +292,29 @@
              seq
              :initial-value ()))))
 
-(defun over (fun &key (result-type 'list))
-  (let ((fun (functionalize fun)))
-    (lambda (seq)
-      (map result-type fun seq))))
+(defun over (fun &rest funs)
+  (let* ((fun (functionalize fun))
+         (rt-pos (position :result-type funs))
+         (result-type (cond
+                        ((null rt-pos) 'list)
+                        ((>= (1+ rt-pos)
+                             (length funs))
+                         (error "invalid result-type"))
+                        (t
+                         (elt funs (1+ rt-pos)))))
+         (funs (if rt-pos
+                   (append (mapcar #'functionalize
+                                   (subseq funs 0 rt-pos))
+                           (mapcar #'functionalize
+                                   (subseq funs (+ rt-pos 2))))
+                   (mapcar #'functionalize funs)))
+         (combined-fun (if funs
+                           (apply #'alexandria:compose fun funs)
+                           fun)))
+    (lambda (seq &rest seqs)
+      (if seqs
+          (apply #'map result-type combined-fun seq seqs)
+          (map result-type combined-fun seq)))))
 
 (defun denest (&key (result-type 'list))
   (lambda (seq)

t/lens.lisp

@@ -250,6 +250,12 @@
   (5am:is (equalp #(1 2 3)
                   (funcall (data-lens:over '1+ :result-type 'vector)
                            '(0 1 2))))
+  (5am:is (equalp #(2 3 4)
+                  (funcall (data-lens:over '1+ :result-type 'vector '1+)
+                           '(0 1 2))))
+  (5am:is (equalp #(2 3 4)
+                  (funcall (data-lens:over '1+ '1+ :result-type 'vector)
+                           '(0 1 2))))
   (5am:is (equalp #(1 2 3)
                   (funcall (data-lens:over '1+ :result-type 'vector)
                            #(0 1 2)))))