Zip

suggest change

var tens = new[] {10,20,30,40,50};
var units = new[] {1,2,3,4,5};

var sums = tens.Zip(units, (first, second) => first + second);

Console.WriteLine(string.Join(",", sums));

//11,22,33,44,55

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LINQ:

* LINQ

* SelectMany flat map

* Where filter

* Any

* GroupJoin

* ToLookup

* Except

* Zip

* Aggregate fold

* Concat

* Count

* Distinct

* Intersect

* SequenceEqual

* Min

* Cast

* All

* Sum

* Select map

* FirstOrDefault

* Take

* SingleOrDefault

* Reverse

* OfType

* Max

* Skip

* Average

* LastOrDefault

* Last

* GroupBy

* ToDictionary

* Union

* ToArray

* ToList

* Single

* ElementAt

* ElementAtOrDefault

* SkipWhile

* TakeWhile

* DefaultIfEmpty

* First find

* Contains

* Join

* OrderByDescending

* OrderBy

* Empty

* ThenBy

* Range

* Left Outer Join

* Repeat

Table Of Contents

0 Getting started

1 Collections

2 XmlSerializer

3 HTTP clients

4 Exceptions

5 LINQ

6 Networking

7 NuGet packaging system

8 Reflection

9 Dictionaries

10 HTTP Servers

11 Settings

12 Task Parallel Library (TPL)

13 Custom types

14 DateTime parsing

15 Memory management

16 Managed Extensibility Framework

17 Speech Recognition Engine

18 System.Reflection.Emit

19 System.Runtime.Caching.MemoryCache

20 JSON Serialization

21 TPL Dataflow

22 File Input/Output

23 Platform invoke

24 Code contracts

25 VB Forms

26 ForEach

27 Strings

28 Expression Trees

29 Threading

30 System.Diagnostics

31 ADO.NET

32 CLR

33 Process and Thread affinity setting

34 Dependency Injection

35 Task Parallel Library (TPL)

36 System.IO

37 Unit Testing

38 Serial Ports

39 System.IO.File

40 Synchronization contexts

41 Using Progress and IProgress

42 ReadOnlyCollections

43 Regular expressions

44 System.Net.Mail

45 Encryption, cryptography

46 Parallel process

47 JSON with Newtonsoft.Json

48 .NET Cor

49 JIT compiler

50 Stack and heap

51 SHA1

52 SHA1

53 Garbage Collection

54 Reading and writing ZIP files

55 StdErr stream

56 Upload file and POST data to webserver

57 Acronym Glossary

58 Contributors