RosettaCodeData/Task/Flow-control-structures/M2000-Interpreter/flow-control-structures-2.m...

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module outer {
static m as long=100 // if m not exist created
module count (&a(), b) {
long c=1
do
if b(c) then exit
call a(c)
c++
always
}
long z, i=100
// function k used as call back function, through lazy$()
function k {
read new i
print i // print 1 and 2
z+=i
m++
}
count lazy$(&k()), (lambda (i)->i>=3)
print z=3, i=100, m
}
clear // clear variables (and static variables) from this point
outer // m is 102
outer // m is 104
outer // m is 106