: push-at-each ( value keys assoc -- )
'[ _ push-at ] with each ; inline
-: deep-at ( assoc seq -- value/f )
+: deep-of ( assoc seq -- value/f )
[ of ] each ; inline
: substitute! ( seq assoc -- seq )
: flatten-values ( assoc -- assoc' )
dup any-multi-value? [ expand-values-set-at flatten-values ] when ;
+: intersect-keys-as ( assoc seq exemplar -- elts )
+ [ [ of ] with ] dip zip-with-as sift-values ; inline
+
: intersect-keys ( assoc seq -- elts )
- [ of ] with zip-with sift-values ; inline
+ over intersect-keys-as ; inline
: values-of ( assoc seq -- seq' )
[ of ] with map ; inline
: counts ( seq elts -- counts )
[ histogram ] dip intersect-keys ;
-: collect-key-by ( ... seq quot: ( ... obj -- ... key ) -- ... assoc )
- [ keep swap ] curry H{ } clone
- [ '[ @ [ first ] dip _ push-at ] each ] keep ; inline
-
-: collect-value-by ( ... seq quot: ( ... obj -- ... key ) -- ... assoc )
- [ keep swap ] curry H{ } clone
- [ '[ @ [ second ] dip _ push-at ] each ] keep ; inline
-
: histogram-diff ( hashtable1 hashtable2 -- hashtable3 )
[ neg swap pick at+ ] assoc-each
[ 0 > ] filter-values ;
-: collect-by-multi! ( ... assoc seq quot: ( ... obj -- ... key ) -- ... assoc )
+: collect-by-multi! ( ... assoc seq quot: ( ... obj -- ... new-keys ) -- ... assoc )
[ keep swap ] curry rot [
[ push-at-each ] curry compose each
] keep ; inline
-: collect-by-multi ( ... seq quot: ( ... obj -- ... keys ) -- ... assoc )
+: collect-by-multi ( ... seq quot: ( ... obj -- ... new-keys ) -- ... assoc )
[ H{ } clone ] 2dip collect-by-multi! ; inline
+
+
+: collect-assoc-by! ( ... assoc input-assoc quot: ( ... key value -- ... key' value' ) -- ... assoc )
+ rot [ '[ @ swap _ push-at ] assoc-each ] keep ; inline
+
+: collect-assoc-by ( ... input-assoc quot: ( ... key value -- ... key value ) -- ... assoc )
+ [ H{ } clone ] 2dip collect-assoc-by! ; inline
+
+: collect-key-by! ( ... assoc input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
+ '[ _ keepd ] collect-assoc-by! ; inline
+
+: collect-key-by ( ... input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
+ [ H{ } clone ] 2dip collect-key-by! ; inline
+
+: collect-value-by! ( ... assoc input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
+ '[ _ keep ] collect-assoc-by! ; inline
+
+: collect-value-by ( ... input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
+ [ H{ } clone ] 2dip collect-value-by! ; inline
+
+
+: collect-assoc-by-multi! ( ... assoc input-assoc quot: ( ... key value -- ... new-keys value' ) -- ... assoc )
+ rot [ '[ @ swap _ push-at-each ] assoc-each ] keep ; inline
+
+: collect-assoc-by-multi ( ... assoc quot: ( ... key value -- ... new-keys value' ) -- ... assoc )
+ [ H{ } clone ] 2dip collect-assoc-by-multi! ; inline
+
+
+: collect-key-by-multi! ( ... assoc input-assoc quot: ( ... key value -- ... new-keys ) -- ... assoc )
+ '[ _ keepd ] collect-assoc-by-multi! ; inline
+
+: collect-key-by-multi ( ... assoc quot: ( ... key -- ... new-keys ) -- ... assoc )
+ [ H{ } clone ] 2dip collect-key-by-multi! ; inline
+
+
+: collect-value-by-multi! ( ... assoc input-assoc quot: ( ... key value -- ... new-keys ) -- ... assoc )
+ '[ _ keep ] collect-assoc-by-multi! ; inline
+
+: collect-value-by-multi ( ... assoc quot: ( ... value -- ... new-keys ) -- ... assoc )
+ [ H{ } clone ] 2dip collect-value-by-multi! ; inline