associative?

Returns true if coll implements IAssociative

chunked-seq?

Return true if x satisfies IChunkedSeq.

coll?

Returns true if x satisfies ICollection

contains?

Returns true if key is present in the given collection, otherwise returns false. Note that for numerically indexed coll...

counted?

Returns true if coll implements count in constant time

distinct?

Returns true if no two of the arguments are =

empty?

Returns true if coll has no items. To check the emptiness of a seq, please use the idiom (seq x) rather than (not (empty...

every?

Returns true if (pred x) is logical true for every x in coll, else false.

indexed?

Returns true if coll implements nth in constant time

list?

Returns true if x implements IList

map-entry?

Returns true if x satisfies IMapEntry

map?

Return true if x satisfies IMap

not-any?

Returns false if (pred x) is logical true for any x in coll, else true.

not-empty

If coll is empty, returns nil, else coll

not-every?

Returns false if (pred x) is logical true for every x in coll, else true.

record?

Return true if x satisfies IRecord

reversible?

Returns true if coll satisfies? IReversible.

seq?

Return true if s satisfies ISeq

seqable?

Return true if the seq function is supported for s

sequential?

Returns true if coll satisfies ISequential

set?

Returns true if x satisfies ISet

some

Returns the first logical true value of (pred x) for any x in coll, else nil. One common idiom is to use a set as pred,...

sorted?

Returns true if coll satisfies ISorted

vector?

Return true if x satisfies IVector