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In computer programming, foreach loop (or for-each loop) is a control flow statement for traversing items in a collection. 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 ...
Scala: Yes Yes Pull Yes Yes ScalaTest, Selenium [101] Yes Yes Yes Yes Yes Opa: Opa Yes Yes MongoDB: Yes Yes Yes OpenACS: Tcl: Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Seaside: Smalltalk: jQuery, jQuery UI, Prototype JavaScript Framework, script.aculo.us, more Yes Yes GLORP, Gemstone/S, more Unit tests, SUnit No, intentionally Magritte Project ...
A language that supports the statement construct typically has rules for one or more of the following aspects: . Statement terminator – marks the end of a statement ...
Foreach loops; While loops; For loops; ... Scala: val obj = new Object // no parameters val obj = new Object ... JavaScript function name ...
In Scala, functions are objects, and a convenient syntax exists for specifying anonymous functions. An example is the expression x => x < 2, which specifies a function with one parameter, that compares its argument to see if it is less than 2. It is equivalent to the Lisp form (lambda (x) (< x 2)).
Scala: Application, general, parallel, distributed, web Yes Yes Yes No Yes Yes Data-oriented programming, metaprogramming De facto standard via Scala Language Specification (SLS) Scheme: Education, general Yes No Yes No No No meta, extensible-syntax De facto 1975-2013, R 0 RS, R 1 RS, R 2 RS, R 3 RS, R 4 RS, R 5 RS, R 6 RS, R 7 RS Small Edition ...
For Each item In set instructions Next item: Visual Basic .NET: For i« As type» = first To last« Step 1» instructions Next« i» For Each item« As type» In set instructions Next« item» Xojo: While condition instructions Wend: Do Until notcondition instructions Loop or Do instructions Loop Until notcondition: Python: while condition :
The code above uses OCaml's default hash function Hashtbl.hash, which is defined automatically for all types. To use a modified hash function, use the functor interface Hashtbl.Make to create a module, such as with Map. Finally, functional maps (represented as immutable balanced binary trees): #