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In Raku, a sister language to Perl, for must be used to traverse elements of a list (foreach is not allowed). The expression which denotes the collection to loop over is evaluated in list-context, but not flattened by default, and each item of the resulting list is, in turn, aliased to the loop variable(s). List literal example:
// loop through the collection and display each entry. foreach ... In JavaScript an object is a mapping from property names to values—that is, an associative array ...
The syntax of JavaScript is the set of rules that define a correctly structured JavaScript program. The examples below make use of the log function of the console object present in most browsers for standard text output .
thus the clause to 100 do ~ od, will iterate exactly 100 times. The while syntactic element allowed a programmer to break from a for loop early, as in: INT sum sq := 0; FOR i WHILE print(("So far:", i, new line)); # Interposed for tracing purposes. # sum sq ≠ 70↑2 # This is the test for the WHILE # DO sum sq +:= i↑2 OD
record List { Node firstNode // points to first node of list; null for empty list} Traversal of a singly linked list is simple, beginning at the first node and following each next link until reaching the end: node := list.firstNode while node not null (do something with node.data) node := node.next
A high-profile violent crime typically sets social media abuzz with tips and theories from amateur internet sleuths, hunting for the alleged perpetrator. But after UnitedHealthcare CEO Brian ...
In the STL, there is a std::for_each template function which can iterate on STL containers and call a unary function for each element. [22] The functionality also can be constructed as macro on these containers. [23] a Count-controlled looping is effected by iteration across an integer interval; early exit by including an additional condition ...
The world’s most powerful man entered with an air of unhurried bonhomie. Dressed in his trademark navy suit and red tie, Trump, 78, appeared a little older than he had some seven months earlier ...