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Zip in various languages Language Zip Zip 3 lists Zip n lists Notes Chapel: zip (iter1 iter2) zip (iter1 iter2 iter3) zip (iter1... itern) The shape of each iterator, the rank and the extents in each dimension, must be identical. [4] Clojure (map list list1 list2) (map vector list1 list2) (map list list1 list2 list3) (map vector list1 list2 ...
In computer science, a for-loop or for loop is a control flow statement for specifying iteration. Specifically, a for-loop functions by running a section of code repeatedly until a certain condition has been satisfied. For-loops have two parts: a header and a body. The header defines the iteration and the body is the code executed once per ...
Function calls and blocks of code, such as code contained within a loop, are often replaced by a one-line natural language sentence. Depending on the writer, pseudocode may therefore vary widely in style, from a near-exact imitation of a real programming language at one extreme, to a description approaching formatted prose at the other.
Download QR code; Print/export ... is known as map fusion and is the functional analog of loop fusion. ... a list in Python 2 and an iterator in Python 3. zip() ...
A loop is a sequence of statements which is specified once but which may be carried out several times in succession. The code "inside" the loop (the body of the loop, shown below as xxx) is obeyed a specified number of times, or once for each of a collection of items, or until some condition is met, or indefinitely. When one of those items is ...
foreach is usually used in place of a standard for loop statement. Unlike other for loop constructs, however, foreach loops [1] usually maintain no explicit counter: they essentially say "do this to everything in this set", rather than "do this x times". This avoids potential off-by-one errors and makes code simpler to read.
However, there are occasions when copy-and-paste programming is considered acceptable or necessary, such as for boilerplate, loop unrolling (when not supported automatically by the compiler), languages with limited metaprogramming facilities, or certain programming idioms, and it is supported by some source code editors in the form of snippets.
The name read–eval–print loop comes from the names of the Lisp primitive functions which implement this functionality: The read function accepts an expression from the user, and parses it into a data structure in memory. For instance, the user may enter the s-expression (+ 1 2 3), which is parsed into a linked list containing four data ...