function-literal Questions

6

Solved

In JavaScript there are both Object literals and function literals. Object literal: myObject = {myprop:"myValue"} Function literal: myFunction = function() { alert("hello world"); } What is...
Dysentery asked 7/9, 2012 at 8:58

16

It seems quite a few mainstream languages support function literals these days. They are also called anonymous functions, but I don't care if they have a name. The important thing is that a functio...

2

Solved

I always wondered why sometimes with function literals we can ignore the curly brace even for multiple statements. To illustrate this, the syntax for a multiline function literal is to enclose the ...
Counterforce asked 14/12, 2012 at 3:24

2

Solved

I want to be able to do something on these lines (won't compile): def logScope(logger:Logger)(operation: (implicit l:Logger) => Unit) {/* code */ operation(logger) /* code */} def operationOne...
Happiness asked 15/8, 2011 at 18:33

3

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I have a function literal {case QualifiedType(preds, ty) => t.ty = ty ; Some((emptyEqualityConstraintSet,preds)) } Which results in an error message missing parameter type for expanded fun...
Joellyn asked 13/10, 2012 at 1:48

3

Is it possible to call recursively a method from an object literal? For example: (function () { 'use strict'; var abc = ['A', 'B', 'C'], obj = { f: function () { if (abc.length) { abc.shift...
Fachanan asked 25/1, 2012 at 16:51

5

Solved

I'm new to scala and trying to write a function literal that check whether a given integer is odd or not. my first attempt is: val isOdd = (x:Int) => (x & 1) == 1 it works great, and, since t...
Moro asked 18/1, 2011 at 14:53

1

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I'll ask this with a Scala example, but it may well be that this affects other languages which allow hybrid imperative and functional styles. Here's a short example (UPDATED, see below): def meth...
Nodababus asked 18/10, 2010 at 4:28
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