CUSIP: Difference between revisions

=={{header|Vlang}}==

{{trans|Go}}

<lang vlang>fn is_cusip(s string) bool {

if s.len != 9 { return false }

mut sum := 0

for i in 0..8 {

c := s[i]

mut v :=0

match true {

c >= '0'[0] && c <= '9'[0] {

v = c - 48

}

c >= 'A'[0] && c <= 'Z'[0] {

v = c - 55

}

c == '*'[0] {

v = 36

}

c == '@'[0] {

v = 37

}

c == '#'[0] {

v = 38

}

else {

return false

}

}

if i % 2 == 1 { v *= 2 } // check if odd as using 0-based indexing

sum += v/10 + v%10

}

return int(s[8]) - 48 == (10 - (sum%10)) % 10

}

fn main() {

candidates := [

"037833100",

"17275R102",

"38259P508",

"594918104",

"68389X106",

"68389X105",

]

for candidate in candidates {

mut b :=' '

if is_cusip(candidate) {

b = "correct"

} else {

b = "incorrect"

}

println("$candidate -> $b")

}

}</lang>

{{out}}

<pre>

037833100 -> correct

17275R102 -> correct

38259P508 -> correct

594918104 -> correct

68389X106 -> incorrect

68389X105 -> correct

</pre>