-USING: assocs.extras kernel tools.test ;
+USING: assocs.extras kernel sequences tools.test ;
IN: assocs.extras
{ H{ { 2 1 } { 4 3 } } } [ H{ { 1 2 } { 3 4 } } assoc-invert ] unit-test
-[ H{ } ] [ { } assoc-merge ] unit-test
[ H{ { "a" V{ 2 5 } } { "b" V{ 3 } } { "c" V{ 10 } } } ]
[
{ H{ { "a" 2 } { "b" 3 } } H{ { "a" 5 } { "c" 10 } } }
- assoc-merge
+ [ ] [ assoc-merge ] map-reduce
] unit-test
{ H{ } } [ H{ { 1 2 } } 2 over delete-value-at ] unit-test
: assoc-invert ( assoc -- newassoc )
dup assoc-invert-as ;
-: (assoc-merge) ( assoc1 assoc2 -- assoc1 )
+: assoc-merge! ( assoc1 assoc2 -- assoc1 )
over [ push-at ] with-assoc assoc-each ;
-: assoc-merge ( seq -- merge )
- H{ } clone [ (assoc-merge) ] reduce ;
+: assoc-merge ( assoc1 assoc2 -- newassoc )
+ [ [ [ assoc-size ] bi@ + ] [ drop ] 2bi new-assoc ] 2keep
+ [ assoc-merge! ] bi@ ;
GENERIC: delete-value-at ( value assoc -- )