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# example program showing that 'return-continuation-until-mark' can 'pause' a
# function call, returning a continuation, and that calling the continuation
# can 'resume' the paused function call.
def main [
local-scope
k:continuation <- call-with-continuation-mark create-yielder
{
x:num, done?:bool <- call k # should return 1
break-if done?
$print x 10/newline
loop
}
]
def create-yielder -> n:num, done?:bool [
local-scope
load-ingredients
n <- copy 0
return-continuation-until-mark
done?:bool <- greater-or-equal n, 3
n <- add n, 1
]
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