ref: d48c3220b5bbf3604b0b16d344d3cc0c17c5f8a7
dir: /lib/thread/test/spawn.myr/
use std use thread var done : int32 var capture const main = { var ptr capture = 666 ptr = &capture thread.spawn({ std.assert(capture==666, "wrong captured value\n") std.assert(ptr#==666, "wrong captured ptr value\n") ptr# = 333 thread.xadd(&done, 1) }) while done == 0 /* nothing */ ;; std.assert(capture == 333, "capture wasn't written to correctly\n") }