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discard """
cmd: '''nim c --newruntime $file'''
output: '''a b
70
hello
hello
hello
2 2 alloc/dealloc pairs: 0'''
"""
import core / allocators
import system / ansi_c
proc main(): owned(proc()) =
var a = "a"
var b = "b"
result = proc() =
echo a, " ", b
proc foo(f: (iterator(): int)) =
for i in f(): echo i
proc wrap =
let p = main()
p()
let fIt = iterator(): int = yield 70
foo fIt
wrap()
# bug #11533
proc say = echo "hello"
# Error: internal error: genAssignment: tyNil
var err0: proc() = say
err0()
var ok0: proc()
ok0 = say
ok0()
var ok1 = say
ok1()
let (a, d) = allocCounters()
discard cprintf("%ld %ld alloc/dealloc pairs: %ld\n", a, d, system.allocs)
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