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# example program: maintain multiple counters with isolated lexical scopes
# (spaces)
def new-counter n:number -> default-space:address:array:location [
default-space <- new location:type, 30
load-ingredients
]
def increment-counter outer:address:array:location/names:new-counter, x:number -> n:number/space:1 [
local-scope
load-ingredients
0:address:array:location/names:new-counter <- copy outer # setup outer space; it *must* come from 'new-counter'
n/space:1 <- add n/space:1, x
]
def main [
local-scope
# counter A
a:address:array:location <- new-counter 34
# counter B
b:address:array:location <- new-counter 23
# increment both by 2 but in different ways
increment-counter a, 1
b-value:number <- increment-counter b, 2
a-value:number <- increment-counter a, 1
# check results
$print [Contents of counters], 10/newline
$print [a: ], a-value, [ b: ], b-value, 10/newline
]
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