The document outlines the evolution of C# through various versions leading up to C# 7.0, highlighting significant features such as literal improvements, out variables, local functions, and pattern matching. It emphasizes a balance between improving existing features and embracing new programming paradigms while maintaining user-friendliness. Additionally, it mentions Microsoft's shift towards open-source development and compatibility across platforms.

1. Mitsuru FURUTA, cto Sensorit
@mitsufu
http://mitsufu.wordpress.com
Les nouveautés de C# 7.0

2. Agenda
Introduction: evolution of C#
C# 7.0
• Literal improvements
• Out variables
• Ref returns and locals
• Local functions
• Pattern matching (is, switch)
• Tuples
Q&A

3. The Evolution of C#
C# 1.0
C# 2.0
C# 3.0
Managed Code
Generics
Language Integrated
Query
C# 4.0
Dynamic
Programming
C# 5.0
Asynchrony (await)

4. The Evolution of C#
4
C# 6.0
C# 7.0
Expression-bodied methods, null-
conditional operator, nameof, …
More functional: Tuples, Pattern
matching, …

5. C# Evolution – A balancing act
Aggressively improve
Improve existing
development
Embrace new paradigms
Stay simple
Attractive to new
users
Stay true to the spirit of C#

6. .NET - changing our tune…
Run on Windows
.NET as system component
Run on VM (CLR)
Black box compilers
Edit in Visual Studio
Proprietary
Run everywhere
Deploy with app
Compile to native
Open compiler APIs
Use your favorite editor
Open source

7. Démos

8. N° 8

9. @microsoftfrance @Technet_France @msdev_fr
N° 9

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