Alexander Shvedov controlflow

Software Developer

controlflow / gist:2868357

Created June 4, 2012 13:25 — forked from leppie/gist:2868328

CallWithEscapeContinuation

	using System;

	class Program
	{
	sealed class EscapeContinuation<T> : Exception
	{
	public T Value { get; private set; }

	public void Raise(T value)
	{

controlflow / gist:6206209

Last active December 20, 2015 22:38

99 Prolog problems :: solutions 1.01 - 1.28

	% problem 1.01
	my_last(X, [X]).
	my_last(X, [_\|TL]) :- my_last(X, TL).

	% problem 1.02
	last_but_one(X, [X, _]).
	last_but_one(X, [_,Y\|TL]) :- last_but_one(X, [Y\|TL]).

	% problem 1.03
	element_at(X, [X\|_], 1).

controlflow / gist:6418329

Last active December 22, 2015 04:38

WCF Data Services Task-based async query API-extension

	using System;
	using System.Collections.Generic;
	using System.Data.Services.Client;
	using System.Linq;
	using System.Threading;
	using System.Threading.Tasks;
	using JetBrains.Annotations;

	namespace Blah
	{

controlflow / gist:7661990

Created November 26, 2013 17:01

IX 1.2

	using System;
	using System.Collections.Generic;
	using System.Linq;

	static class Program {
	static void Main() {
	var xs = EnumerableEx.Create<int>(async yield => {
	try {
	await yield.Return(42);
	} finally {

controlflow / gist:7804901

Created December 5, 2013 13:10

How C# lambdas with a single ref-type immutable closure can be optimized

	using System;

	static class LiftingClosureToDelegateTarget {
	static void Main() {
	// normal lambda
	{
	var str = GetString();
	Func<string> f = () => str;
	Console.WriteLine(f());
	}

controlflow / gist:7846397

Last active December 30, 2015 15:09

Boolean solver via C# overload resolution

	static class BooleanSolver {
	class T {
	public static T operator \|(T x, T y) => null;
	public static T operator \|(T x, F y) => null;
	public static T operator &(T x, T y) => null;
	public static F operator &(T x, F y) => null;
	public static F operator !(T x) => null;
	}

	class F {

controlflow / gist:8072635

Last active January 1, 2016 01:28

Primary ctors

	class ReverseForLookupItem : ForLookupItemBase
	{
	public ReverseForLookupItem([NotNull] PrefixExpressionContext context,
	[NotNull] LiveTemplatesManager templatesManager,
	[CanBeNull] string lengthPropertyName)
	: base("forR", context, templatesManager, lengthPropertyName) { }

	protected override IForStatement CreateStatement(CSharpElementFactory factory, ICSharpExpression expression)
	{
	...

controlflow / gist:8212650

Last active January 1, 2016 22:49

	class C
	{
	void M(int[] xs)
	{
	var firstTime = true;
	foreach (var x in xs)
	{
	// меня так раздражает тратить столько строк и целый блок на такую конструкцию
	if (firstTime)
	{

controlflow / gist:8214142

Created January 2, 2014 02:34

Value type + readonly field...

	using System;

	public struct S {
	int _value;
	public S(int value) { _value = value; }
	public int Value { get { return _value; } }
	public void Mutate() { _value++; }
	}

	public class C {

controlflow / YourProjectFileName.csproj.DotSettings

Last active January 3, 2016 03:09

YourProjectFileName.csproj.DotSettings

	<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ExpressionIsAlwaysNull/@EntryIndexedValue">DO_NOT_SHOW</s:String>
	</wpf:ResourceDictionary>