flatland.useful.java — org.flatland/useful 0.11.6

abort clj

(abort & message)

Print message then exit.

construct clj

(construct class & args)

Construct a new instance of class using reflection.

invoke-private clj

(invoke-private instance method & params)

Invoke a private or protected Java method. Be very careful when using this! I take no responsibility for the trouble you get yourself into.

multi-hinted-let clj macro

(multi-hinted-let [name expr classes] & body)

Test expr for instance-of each class in classes. When a match is found, evaluate body with name bound to expr and type-hinted as the matching class.

For example, (multi-hinted-let [x {:foo 1} [Collection Map]] (.size x)).

on-shutdown clj

(on-shutdown f)

Execute the given function on jvm shutdown.

trap clj

(trap signal f)

Register signal handling function.