robertluo.pullable.core — robertluo/pullable 0.2.0

Core namespace. consists of protocols, multimethods

create-option clj multimethod

Create query option

default-transform clj

(default-transform query target m)

Findable clj protocol

Source of data

-select clj

(-select target k not-found)

returns value of target on k

ignore clj

JoinQuery clj

pad clj

(pad n coll value)

returns a coll which has n length, with coll fill in first, then pad with value

Query clj protocol

Can query on a data structure, return the value of its key, also able to transform another data structure

-key clj

(-key query)

returns the key of the query, should be a vector

-transform clj

(-transform this target m)

run query on m, returns the transformed target

-value-of clj

(-value-of query m)

run query on m, return the value

SimpleQuery clj

Target clj protocol

Sink of data

-append clj

(-append target k v)

append value to target

VectorQuery clj