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discard """
errormsg: "'consumer' is not GC-safe as it calls 'track'"
nimout: '''tgc_unsafe2.nim(21, 6) Warning: 'trick' is not GC-safe as it accesses 'global' which is a global using GC'ed memory [GcUnsafe2]
tgc_unsafe2.nim(25, 6) Warning: 'track' is not GC-safe as it calls 'trick' [GcUnsafe2]
tgc_unsafe2.nim(27, 6) Error: 'consumer' is not GC-safe as it calls 'track'
'''
"""
import threadpool
type StringChannel = Channel[string]
var channels: array[1..3, StringChannel]
type
MyObject[T] = object
x: T
var global: MyObject[string]
var globalB: MyObject[float]
proc trick(ix: int) =
echo global.x
echo channels[ix].recv()
proc track(ix: int) = trick(ix)
proc consumer(ix: int) {.thread.} =
track(ix)
proc main =
for ix in 1..3: channels[ix].open()
for ix in 1..3: spawn consumer(ix)
for ix in 1..3: channels[ix].send("test")
sync()
for ix in 1..3: channels[ix].close()
when true:
main()
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