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Published on 2009-11-09T11:43:59Z
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2010/05/11
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I am currently looking at lambda expression and the word closure keeps coming. Can someone explain it to me in real simple language.
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I am beginning the process of moving code over to PHP 5.3 and one of the most highly touted features of PHP 5.3 is the ability to use closures. My understanding of closures is that they allow anonymous functions, can be assigned to variable names, and have interesting scoping abilities.
From my…
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I've been reading a lot lately about the next release of Java possibly supporting closures. I feel like I have a pretty firm grasp on what closures are, but I can't think of a solid example of how they would make an Object-Oriented language "better". Can anyone give me a specific use-case where…
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Is there a simple way?
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Consider the following code:
using System;
namespace ConsoleApplication2
{
class Program
{
static void Main(string[] args)
{
var square = new Square(4);
Console.WriteLine(square.Calculate());
}
}
class MathOp
{
…
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Is there a way to serialize a lexical closure in Python using the standard library? pickle and marshal appear not to work with lexical closures. I don't really care about the details of binary vs. string serialization, etc., it just has to work. For example:
def foo(bar, baz) :
def closure(waldo)…
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Learn how to dynamically build and explore Lambda expressions from expression trees.
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In this C++ tutorial, learn how to utilize Lambda expressions in your C++ Applications.
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Hey I'm rather new to these could someone explain the significance or prehaps give a link to some useful information on lambda expressions? I encounter the following code in a test and I am wondering why someone would do this:
foo.MyEvent += (o, e) = { fCount++; Console.WriteLine(fCount); };
foo…
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Hey I'm rather new to these could someone explain the significance (of the following code) or prehaps give a link to some useful information on lambda expressions? I encounter the following code in a test and I am wondering why someone would do this:
foo.MyEvent += (o, e) => { fCount++; Console…
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I've been trying to learn more about using Lamba expression trees and so I created a simple example. Here is the code, this works in LINQPad if pasted in as a C# program.
void Main()
{
IEnumerable<User> list = GetUsers().Where(NameContains("a"));
list.Dump("Users");
}
// Methods
public…
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