original.name="String_Valid_3"
======
>>> main.whiley
public function has(int c1, int[] str) -> bool:
int i = 0
while i < |str| where i >= 0:
if c1 == str[i]:
return true
i = i + 1
return false
public export method test() :
int[] s = "Hello World"
assume has('l', s) == true
assume has('e', s) == true
assume has('h', s) == false
assume has('z', s) == false
assume has('H', s) == true
---