fooheads.setish
differenceclj/s
(difference s1)(difference s1 s2)(difference s1 s2 & sets)Return a coll that is the first coll without elements of the remaining colls
Return a coll that is the first coll without elements of the remaining colls
indexclj/s
(index xrel ks)Returns a map of the distinct values of ks in the xrel mapped to a set of the maps in xrel with the corresponding values of ks.
Returns a map of the distinct values of ks in the xrel mapped to a set of the maps in xrel with the corresponding values of ks.
index-uniqueclj/s
(index-unique xrel ks)Like index but requires that each key only have one value. The vals in the
index is a single value and not in a collection like with index. Throws
if the unique constraint is not met.
Like `index` but requires that each key only have one value. The vals in the index is a single value and not in a collection like with `index`. Throws if the unique constraint is not met.
intersectionclj/s
(intersection s1)(intersection s1 s2)(intersection s1 s2 & sets)Return a coll that is the intersection of the input colls
Return a coll that is the intersection of the input colls
joinclj/s
(join xrel yrel)(join xrel yrel km)When passed 2 rels, returns the rel corresponding to the natural join. When passed an additional keymap, joins on the corresponding keys.
When passed 2 rels, returns the rel corresponding to the natural join. When passed an additional keymap, joins on the corresponding keys.
map-invertclj/s
Returns the map with the vals mapped to the keys.
Returns the map with the vals mapped to the keys.
projectclj/s
(project xrel attr-names)Returns a rel of the elements of xrel with only the keys in ks
Returns a rel of the elements of xrel with only the keys in ks
renameclj/s
(rename xrel kmap)Returns a rel of the maps in xrel with the keys in kmap renamed to the vals in kmap
Returns a rel of the maps in xrel with the keys in kmap renamed to the vals in kmap
rename-keysclj/s
Returns the map with the keys in kmap renamed to the vals in kmap
Returns the map with the keys in kmap renamed to the vals in kmap
restrictclj/s
(restrict xrel pred?)Returns a coll of the elements for which pred is true. Same as select but
with the rel in first position to be more useful in a -> chain.
Returns a coll of the elements for which pred is true. Same as `select` but with the rel in first position to be more useful in a -> chain.
selectclj/s
(select pred? xrel)Returns a coll of the elements for which pred is true
Returns a coll of the elements for which pred is true
setishclj/s
(setish xs)Return a coll of the same type as xs but without duplicates.
Return a coll of the same type as xs but without duplicates.
subset?clj/s
(subset? coll1 coll2)Is coll1 a subset of coll2
Is coll1 a subset of coll2
superset?clj/s
(superset? coll1 coll2)Is coll1 a superset of coll2?
Is coll1 a superset of coll2?
unionclj/s
(union)(union s1)(union s1 s2)(union s1 s2 & sets)Return a coll that is the union of the input colls
Return a coll that is the union of the input colls
updateclj/s
(update xrel k f & args)Like clojure.core/update, but works on each tuple in a rel.
Like clojure.core/update, but works on each tuple in a rel.
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