Dispatch functions take a Class argument and return the looked-up value.
This provides similar functionality to Clojure's protocols, but operates over
locally-constructed logic rather than using a global dispatch table.
A simple example is a map from classes to values, which can be used directly as a lookup function.
Dispatch functions take a `Class` argument and return the looked-up value. This provides similar functionality to Clojure's protocols, but operates over locally-constructed logic rather than using a global dispatch table. A simple example is a map from classes to values, which can be used directly as a lookup function.
(chained-lookup dispatchers)(chained-lookup a b & more)chains two or more lookups together
(chained-lookup (inheritance-lookup printer/clojure-handlers) (inheritance-lookup printer/java-handlers))
chains two or more lookups together (chained-lookup (inheritance-lookup printer/clojure-handlers) (inheritance-lookup printer/java-handlers))
(inheritance-lookup dispatch)checks if items inherit from the handlers
((inheritance-lookup printer/clojure-handlers) clojure.lang.Atom) => fn?
((inheritance-lookup printer/clojure-handlers) String) => nil
checks if items inherit from the handlers ((inheritance-lookup printer/clojure-handlers) clojure.lang.Atom) => fn? ((inheritance-lookup printer/clojure-handlers) String) => nil
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