/-  spider, rpc=json-rpc
/+  strandio, bcu=bitcoin-utils
=,  strand=strand:spider
=>
|%
++  blah  2
--
^-  thread:spider
|=  arg=vase
::  =+  !<([~ a=@ud] arg)
=/  m  (strand ,vase)
^-  form:m
(pure:m !>(blah))