ancestors

Returns the immediate and indirect parents of tag, either via a Java type inheritance relationship or a relationship e...

definterface

Creates a new Java interface with the given name and method sigs. The method return types and parameter types may be s...

defmethod

Creates and installs a new method of multimethod associated with dispatch-value.

defmulti

Creates a new multimethod with the associated dispatch function. The docstring and attr-map are optional. Options a...

defprotocol

A protocol is a named set of named methods and their signatures: (defprotocol AProtocolName ;optional doc string ...

derive

Establishes a parent/child relationship between parent and tag. Parent must be a namespace-qualified symbol or keyword...

descendants

Returns the immediate and indirect children of tag, through a relationship established via derive. h must be a hierarc...

extend

Implementations of protocol methods can be provided using the extend construct: (extend AType AProtocol {:fo...

extend-protocol

Useful when you want to provide several implementations of the same protocol all at once. Takes a single protocol and ...

extend-type

A macro that expands into an extend call. Useful when you are supplying the definitions explicitly inline, extend-type...

get-method

Given a multimethod and a dispatch value, returns the dispatch fn that would apply to that value, or nil if none apply...

make-hierarchy

Creates a hierarchy object for use with derive, isa? etc.

methods

Given a multimethod, returns a map of dispatch values -> dispatch fns

parents

Returns the immediate parents of tag, either via a Java type inheritance relationship or a relationship established vi...

prefer-method

Causes the multimethod to prefer matches of dispatch-val-x over dispatch-val-y when there is a conflict

underive

Removes a parent/child relationship between parent and tag. h must be a hierarchy obtained from make-hierarchy, if not...