Puts a val into port if it's possible to do so immediately.
nil values are not allowed. Never blocks. Returns true if offer succeeds.
Source
(defnoffer!"Puts a val into port if it's possible to do so immediately.\n nil values are not allowed. Never blocks. Returns true if offer succeeds."[portval](let[ret(impl/put!portval(fn-handlernopfalse))](whenret @ret)))