detritus.multi
Tools for working with multimethods.
Tools for working with multimethods.
derive!clj
(derive! h child parent)Although hierarchies are mostly used by indirection as vars (defmulti supports the :hierarchy
argument for using hierarchies other than the default global one), and although (derive child parent) implicitly side-effects the global hierarchy, (derive h child parent) is a pure
function of a hierarchy as a map structure which doesn't behave nicely when given a var.
Wrap it up with an alter-var-root so it makes sense.
Although hierarchies are mostly used by indirection as vars (`defmulti` supports the `:hierarchy` argument for using hierarchies other than the default global one), and although `(derive child parent)` implicitly side-effects the global hierarchy, `(derive h child parent)` is a pure function of a hierarchy as a map structure which doesn't behave nicely when given a var. Wrap it up with an alter-var-root so it makes sense.
make-prefix-dispatchclj
Make a function which dispatches on the #'type tuple of the first N arguments, silently absorbing
the rest.
Make a function which dispatches on the `#'type` tuple of the first N arguments, silently absorbing the rest.
typeclj
(type x)Dispatch function for switching on, in order
- The declared
:typeof an object - The
:typemetadata - The Java type
The logical extension of Clojure's #'type operator to the :type pattern.
Dispatch function for switching on, in order - The declared `:type` of an object - The `:type` metadata - The Java type The logical extension of Clojure's `#'type` operator to the `:type` pattern.
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