original.name="Reference_Valid_40"
======
>>> main.whiley
type map is int[]
method sum(&map m) -> int:
int r = 0
//
for i in 0..|*m|:
r = r + (*m)[i]
//
return r
public export method test():
int s1 = sum(new [])
int s2 = sum(new [1])
int s3 = sum(new [2,3])
//
assume s1 == 0
assume s2 == 1
assume s3 == 5
---