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For brevity, these words will have the specified meanings in the following tables (unless noted to be part of language syntax): funcN A function.
List comprehension is a syntactic construct available in some programming languages for creating a list based on existing lists. It follows the form of the mathematical set-builder notation (set comprehension) as distinct from the use of map and filter functions.
However, a functional language will force this discipline onto the programmer through its syntax. Functional languages have a syntax tailored to emphasize the what. [76] A functional program is developed with a set of primitive functions followed by a single driver function. [73] Consider the snippet: function max( a, b ){/* code omitted */}
List.iter (fun item-> instructions) list: F#: while condition do Tab ↹instructions — for i = first to last do Tab ↹instructions: foritem in set do Tab ↹instructions or Seq.iter (fun item-> instructions) set: Standard ML: while condition do ( instructions) — Array.app (fn item => instructions) array or app (fn item => instructions ...
Programming language – formal constructed language designed to communicate instructions to a machine, particularly a computer. Programming languages can be used to create programs to control the behavior of a machine or to express algorithms. Generational list of programming languages; List of programming languages by type
Some languages, such as early Fortran, [a] have a three-way or arithmetic if, testing whether a numeric value is negative, zero, or positive. Some languages have a functional form of an if statement, for instance Lisp's cond. Some languages have an operator form of an if statement, such as C's ternary operator. Perl supplements a C-style if ...
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For example, to perform an element by element sum of two arrays, a and b to produce a third c, it is only necessary to write c = a + b In addition to support for vectorized arithmetic and relational operations, these languages also vectorize common mathematical functions such as sine. For example, if x is an array, then y = sin (x)