Cobra (язык программирования)

class Utils     shared         def countChars(s as String, c as char) as int             """             Возвращает количество символов c в строке s.             """             count = 0             for ch in s                 if ch == c                     count += 1             return count 

class Utils     shared         def countChars(s as String, c as char) as int             """             Возвращает количество символов c в строке s             """             test                 assert Utils.countChars('', c'x') == 0                 assert Utils.countChars('x', c'x') == 1                 assert Utils.countChars('X', c'x') == 0                 assert Utils.countChars(' ! ! ', c'!') == 2             body                 count = 0                 for ch in s                     if ch == c                         count += 1                 return count 

class Customer     var _contacts as List<of Contact>     get contacts from var     def addContact(contact as Contact)         require             contact not in .contacts             contact.name             contact.customer is nil         ensure             contact.customer == this             .contacts.count == old .contacts.count + 1         body             contact.customer = this             _contacts.add(contact) 

class Foo     def bar(s as String?)         if s # same as "if s is not nil"             print Utils.countChars(s, c'x') 

class Hello     def main         print 'Hello, world!' 

class Fib     def compute(count as int) as List<of int> is shared          list = List<of int>()         a, b = 0, 1         for i in count             list.add(b)             a, b = b, a + b         return list  class Program     def main         i = 1         for n in Fib.compute(10)             print '[i]. [n]'             i += 1 

class Person      var _name as String     var _age as int      cue init(name as String, age as int)         _name, _age = name, age      def toString as String is override         return 'My name is [_name] and I am [_age] years old'