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In computer science, syntactic sugar is syntax within a programming language that is designed to make things easier to read or to express. It makes the language "sweeter" for human use: things can be expressed more clearly, more concisely, or in an alternative style that some may prefer.
In this example, it's used for instantiating the OUT class, which is the class for the standard output. The + operator has been overloaded by the class to append the string passed as argument to the stream. Operators such as + are syntactic sugar for conventionally named method calls: a + b stands for a.plus(b). The usual arithmetic precedence ...
So the "I" is merely syntactic sugar. Since I is optional, the system is also referred as SK calculus or SK combinator calculus. It is possible to define a complete system using only one (improper) combinator. An example is Chris Barker's iota combinator, which can be expressed in terms of S and K as follows: ιx = xSK
Lua provides some syntactic sugar to facilitate object orientation. To declare member functions inside a prototype table, one can use function table: func (args), which is equivalent to function table. func (self, args). Calling class methods also makes use of the colon: object: func (args) is equivalent to object. func (object, args).
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.
CoffeeScript is a programming language that compiles to JavaScript. It adds syntactic sugar inspired by Ruby, Python, and Haskell in an effort to enhance JavaScript's brevity and readability. [4] Specific additional features include list comprehension and destructuring assignment.
Back then, it was a pretty simple recipe: egg beaten with sugar and milk or cream, plus some liquor to put the "spirit" in holiday spirit. Nowadays, mixologists offer a slew of creative spins on ...
p. q is syntactic sugar for p ["q"]. function p. q is syntactic sugar for p ["q"] = function. function builds a function. It doesn't declare it. Functions are first-class objects and can be assigned to variables, placed in tables, serialized into strings, and deserialized back out again. Think interpreted, not compiled.