butlast

Return a seq of all but the last item in coll, in linear time

cat

A transducer which concatenates the contents of each input, which must be a collection, into the reduction.

concat

Returns a lazy seq representing the concatenation of the elements in the supplied colls.

dedupe

Returns a lazy sequence removing consecutive duplicates in coll. Returns a transducer when no collection is provided.

distinct

Returns a lazy sequence of the elements of coll with duplicates removed. Returns a stateful transducer when no collect...

doall

When lazy sequences are produced via functions that have side effects, any effects other than those needed to produce ...

dorun

When lazy sequences are produced via functions that have side effects, any effects other than those needed to produce ...

doseq

Repeatedly executes body (presumably for side-effects) with bindings and filtering as provided by "for". Does not ret...

drop

Returns a laziness-preserving sequence of all but the first n items in coll. Returns a stateful transducer when no col...

drop-last

Return a lazy sequence of all but the last n (default 1) items in coll

drop-while

Returns a lazy sequence of the items in coll starting from the first item for which (pred item) returns logical false....

eduction

Returns a reducible/iterable application of the transducers to the items in coll. Transducers are applied in order as ...

filter

Returns a lazy sequence of the items in coll for which (pred item) returns logical true. pred must be free of side-eff...

filter

Returns a new Rose tree whose values pass `pred`. Values who do not pass `pred` have their children cut out as well.

filterv

Returns a vector of the items in coll for which (pred item) returns logical true. pred must be free of side-effects.

flatten

Takes any nested combination of sequential things (lists, vectors, etc.) and returns their contents as a single, flat ...

for

List comprehension. Takes a vector of one or more binding-form/collection-expr pairs, each followed by zero or more ...

frequencies

Returns a map from distinct items in coll to the number of times they appear.

group-by

Returns a map of the elements of coll keyed by the result of f on each element. The value at each key will be a vector...

interleave

Returns a lazy seq of the first item in each coll, then the second etc.

interpose

Returns a lazy seq of the elements of coll separated by sep. Returns a stateful transducer when no collection is provi...

into

Returns a new coll consisting of to with all of the items of from conjoined. A transducer may be supplied. (into x) ...

into

Returns a channel containing the single (collection) result of the items taken from the channel conjoined to the suppl...

keep

Returns a lazy sequence of the non-nil results of (f item). Note, this means false return values will be included. f ...

keep-indexed

Returns a lazy sequence of the non-nil results of (f index item). Note, this means false return values will be include...

map

Returns a lazy sequence consisting of the result of applying f to the set of first items of each coll, followed by app...

map

Takes a function and a collection of source channels, and returns a channel which contains the values produced by appl...

map

Creates a generator that generates maps, with keys chosen from `key-gen` and values chosen from `val-gen`. If the k...

map

Returns `zloc` with function `f` applied to all nodes of the current node. Current node must be a sequence node. Equiv...

map-indexed

Returns a lazy sequence consisting of the result of applying f to 0 and the first item of coll, followed by applying f...

mapcat

Returns the result of applying concat to the result of applying map to f and colls. Thus function f should return a c...

mapv

Returns a vector consisting of the result of applying f to the set of first items of each coll, followed by applying f...

merge

Returns a map that consists of the rest of the maps conj-ed onto the first. If a key occurs in more than one map, the...

merge

Takes a collection of source channels and returns a channel which contains all values taken from them. The returned ch...

merge-with

Returns a map that consists of the rest of the maps conj-ed onto the first. If a key occurs in more than one map, the...

nthnext

Returns the nth next of coll, (seq coll) when n is 0.

nthrest

Returns the nth rest of coll, coll when n is 0.

partition

Returns a lazy sequence of lists of n items each, at offsets step apart. If step is not supplied, defaults to n, i.e. ...

partition

Deprecated - this function will be removed. Use transducer instead

partition-all

Returns a lazy sequence of lists like partition, but may include partitions with fewer than n items at the end. Retur...

partition-by

Applies f to each value in coll, splitting it each time f returns a new value. Returns a lazy seq of partitions. Re...

partition-by

Deprecated - this function will be removed. Use transducer instead

random-sample

Returns items from coll with random probability of prob (0.0 - 1.0). Returns a transducer when no collection is provi...

reduce

f should be a function of 2 arguments. If val is not supplied, returns the result of applying f to the first 2 items i...

reduce

f should be a function of 2 arguments. Returns a channel containing the single result of applying f to init and the fi...

reduce-kv

Reduces an associative collection. f should be a function of 3 arguments. Returns the result of applying f to init, th...

reductions

Returns a lazy seq of the intermediate values of the reduction (as per reduce) of coll by f, starting with init.

remove

Returns a lazy sequence of the items in coll for which (pred item) returns logical false. pred must be free of side-ef...

remove

remove

Removes the node at loc, returning the loc that would have preceded it in a depth-first walk.

remove

Return `zloc` with current node removed. Returned zipper location is moved to the first non-whitespace node preceding...

replace

Given a map of replacement pairs and a vector/collection, returns a vector/seq with any elements = a key in smap repla...

replace

Replaces all instance of match with replacement in s. match/replacement can be: string / string char / char ...

replace

Replaces the node at this loc, without moving

replace

Return `zloc` with the current node replaced by `item`. If `item` is not already a node, an attempt will be made to co...

reverse

Returns a seq of the items in coll in reverse order. Not lazy.

reverse

Returns s with its characters reversed.

rseq

Returns, in constant time, a seq of the items in rev (which can be a vector or sorted-map), in reverse order. If rev i...

rsubseq

sc must be a sorted collection, test(s) one of <, <=, > or >=. Returns a reverse seq of those entries with keys ek for...

rsubseq

sc must be a sorted collection, test(s) one of <, <=, > or >=. Returns a reverse seq of those entries with keys ek for...

run!

Runs the supplied procedure (via reduce), for purposes of side effects, on successive items in the collection. Returns...

select-keys

Returns a map containing only those entries in map whose key is in keys

shuffle

Return a random permutation of coll

shuffle

Creates a generator that generates random permutations of `coll`. Shrinks toward the original collection: `coll`. `col...

sort

Returns a sorted sequence of the items in coll. If no comparator is supplied, uses compare. comparator must implement...

sort-by

Returns a sorted sequence of the items in coll, where the sort order is determined by comparing (keyfn item). If no c...

split-at

Returns a vector of [(take n coll) (drop n coll)]

split-with

Returns a vector of [(take-while pred coll) (drop-while pred coll)]

subseq

sc must be a sorted collection, test(s) one of <, <=, > or >=. Returns a seq of those entries with keys ek for which...

subseq

sc must be a sorted collection, test(s) one of <, <=, > or >=. Returns a seq of those entries with keys ek for which...

take

Returns a lazy sequence of the first n items in coll, or all items if there are fewer than n. Returns a stateful tran...

take

Returns a channel that will return, at most, n items from ch. After n items have been returned, or ch has been closed...

take-last

Returns a seq of the last n items in coll. Depending on the type of coll may be no better than linear time. For vect...

take-nth

Returns a lazy seq of every nth item in coll. Returns a stateful transducer when no collection is provided.

take-while

Returns a lazy sequence of successive items from coll while (pred item) returns logical true. pred must be free of sid...

transduce

reduce with a transformation of f (xf). If init is not supplied, (f) will be called to produce it. f should be a reduc...

transduce

async/reduces a channel with a transformation (xform f). Returns a channel containing the result. ch must close befor...

tree-seq

Returns a lazy sequence of the nodes in a tree, via a depth-first walk. branch? must be a fn of one arg that returns ...

update-keys

m f => {(f k) v ...} Given a map m and a function f of 1-argument, returns a new map whose keys are the result of a...

update-vals

m f => {k (f v) ...} Given a map m and a function f of 1-argument, returns a new map where the keys of m are mapped...

xml-seq

A tree seq on the xml elements as per xml/parse