blob: 45a65e9ff63796809aa8eeb2d19cae766399ac06 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
# Example program showing that a 'paused' continuation can be 'resumed'
# multiple times from the same point (but with changes to data).
#
# To run:
# $ git clone https://github.com/akkartik/mu
# $ cd mu
# $ ./mu continuation2.mu
#
# Expected output:
# 1
# 2
# 3
def main [
local-scope
l:&:list:num <- copy null
l <- push 3, l
l <- push 2, l
l <- push 1, l
k:continuation <- call-with-continuation-mark 100/mark, create-yielder, l
{
x:num, done?:bool <- call k
break-if done?
$print x 10/newline
loop
}
]
def create-yielder l:&:list:num -> n:num, done?:bool [
local-scope
load-inputs
return-continuation-until-mark 100/mark
done? <- equal l, null
return-if done?, 0/dummy
n <- first l
l <- rest l
]
|