Tweak

extra/slides/lib.factor

@@ -0,0 +1,52 @@
+USING: arrays assocs kernel vectors sequences namespaces
+       random math.parser math fry ;
+
+IN: assocs.lib
+
+: set-assoc-stack ( value key seq -- )
+    dupd [ key? ] with find-last nip set-at ;
+
+: at-default ( key assoc -- value/key )
+    dupd at [ nip ] when* ;
+
+: replace-at ( assoc value key -- assoc )
+    >r >r dup r> 1vector r> rot set-at ;
+
+: peek-at* ( assoc key -- obj ? )
+    swap at* dup [ >r peek r> ] when ;
+
+: peek-at ( assoc key -- obj )
+    peek-at* drop ;
+
+: >multi-assoc ( assoc -- new-assoc )
+    [ 1vector ] assoc-map ;
+
+: multi-assoc-each ( assoc quot -- )
+    [ with each ] curry assoc-each ; inline
+
+: insert ( value variable -- ) namespace push-at ;
+
+: generate-key ( assoc -- str )
+    >r 32 random-bits >hex r>
+    2dup key? [ nip generate-key ] [ drop ] if ;
+
+: set-at-unique ( value assoc -- key )
+    dup generate-key [ swap set-at ] keep ;
+
+: histogram ( assoc quot -- assoc' )
+    H{ } clone [
+        swap [ change-at ] 2curry assoc-each
+    ] keep ; inline
+
+: inc-at ( key assoc -- )
+    [ 0 or 1 + ] change-at ;
+
+: ?at ( obj assoc -- value/obj ? )
+    dupd at* [ [ nip ] [ drop ] if ] keep ;
+
+: if-at ( obj assoc quot1 quot2 -- )
+    [ ?at ] 2dip if ; inline
+
+: when-at ( obj assoc quot -- ) [ ] if-at ; inline
+
+: unless-at ( obj assoc quot -- ) [ ] swap if-at ; inline

extra/slides/slides.factor

@@ -16,7 +16,7 @@ IN: slides
         }
         { default-block-style
             H{
-                { wrap-margin 1000 }
+                { wrap-margin 1100 }
             }
         }
         { code-style
@@ -34,7 +34,7 @@ IN: slides
             }
         }
         { table-content-style
-            H{ { wrap-margin 800 } }
+            H{ { wrap-margin 1000 } }
         }
         { list-style
             H{ { table-gap { 10 20 } } }