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InfoQ.com: News & Community Site
• 750,000 unique visitors/month
• Published in 4 languages (English, Chinese, Japanese and Brazilian
Portuguese)
• Post content from our QCon conferences
• News 15-20 / week
• Articles 3-4 / week
• Presentations (videos) 12-15 / week
• Interviews 2-3 / week
• Books 1 / month
Watch the video with slide
synchronization on InfoQ.com!
http://www.infoq.com/presentations
/design-c-sharp-7
Purpose of QCon
- to empower software development by facilitating the spread of
knowledge and innovation
Strategy
- practitioner-driven conference designed for YOU: influencers of
change and innovation in your teams
- speakers and topics driving the evolution and innovation
- connecting and catalyzing the influencers and innovators
Highlights
- attended by more than 12,000 delegates since 2007
- held in 9 cities worldwide
Presented at QCon San Francisco
www.qconsf.com
OmniSharp
VS Code
VS Community
C# code Standard library
github.com/dotnet/corefx
VM
github.com/dotnet/coreclr
Compile → bytecode
github.com/dotnet/roslyn
Compile → Native
Keystroke response
within 80ms
98th percentile 40ms
Modern languages in practice: Go, Rust, Swift
The 21st century is 15 years old, and yet mainstream languages
are still seemingly stuck in the 1980s. Time for a new crop of
languages that tackle the challenges of our time: concurrency
and parallelism; state management; security; efficiency
The amazing potential of open source
When dinosaurs roamed the Earth, many of them were .NET
developers who all drank from the same water hole supplied by
Microsoft. Then the open source comet hit and the OSS
explosion began.
Roslyn reference source
github/dotnet/roslyn
github/dotnet/roslyn
Have fun!
F#
Swift
C#7 ?
Person
Student Teacher
Person
Student Teacher
What if I’m both a student
and a teacher?
flickr.com/photos/simononly
Person
virtual ToString()
Student
override ToString()
Teacher
override ToString()
Attendee
override ToString()
Speaker
rride ToString()
{
"name" : ...
}
ToString(Person p)
{
Student → …
Teacher → …
Person → …
}
{
"name" : ...,
"grade" : ...
}
{
"name" : ...,
"subject" : ...
}
Render(Person p)
{
Student → …
Teacher → …
Person → …
}
F#
TypeScript
C#7 ?
F#
C#
Python
Dart
Javascript
C++
Scala
C# is a modern versatile OSS language+service.
It’s going fun places. Join us for the journey!
Watch the video with slide synchronization on
InfoQ.com!
http://www.infoq.com/presentations/design-c-
sharp-7

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Designing C# 7

  • 1.
  • 2. InfoQ.com: News & Community Site • 750,000 unique visitors/month • Published in 4 languages (English, Chinese, Japanese and Brazilian Portuguese) • Post content from our QCon conferences • News 15-20 / week • Articles 3-4 / week • Presentations (videos) 12-15 / week • Interviews 2-3 / week • Books 1 / month Watch the video with slide synchronization on InfoQ.com! http://www.infoq.com/presentations /design-c-sharp-7
  • 3. Purpose of QCon - to empower software development by facilitating the spread of knowledge and innovation Strategy - practitioner-driven conference designed for YOU: influencers of change and innovation in your teams - speakers and topics driving the evolution and innovation - connecting and catalyzing the influencers and innovators Highlights - attended by more than 12,000 delegates since 2007 - held in 9 cities worldwide Presented at QCon San Francisco www.qconsf.com
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 12. C# code Standard library github.com/dotnet/corefx VM github.com/dotnet/coreclr Compile → bytecode github.com/dotnet/roslyn Compile → Native Keystroke response within 80ms 98th percentile 40ms
  • 13. Modern languages in practice: Go, Rust, Swift The 21st century is 15 years old, and yet mainstream languages are still seemingly stuck in the 1980s. Time for a new crop of languages that tackle the challenges of our time: concurrency and parallelism; state management; security; efficiency The amazing potential of open source When dinosaurs roamed the Earth, many of them were .NET developers who all drank from the same water hole supplied by Microsoft. Then the open source comet hit and the OSS explosion began.
  • 14.
  • 15.
  • 16.
  • 18.
  • 19.
  • 20.
  • 23.
  • 25.
  • 26.
  • 27.
  • 28.
  • 29.
  • 30.
  • 31.
  • 32.
  • 34.
  • 35.
  • 36.
  • 38. Person Student Teacher What if I’m both a student and a teacher? flickr.com/photos/simononly
  • 39. Person virtual ToString() Student override ToString() Teacher override ToString() Attendee override ToString() Speaker rride ToString()
  • 40. { "name" : ... } ToString(Person p) { Student → … Teacher → … Person → … } { "name" : ..., "grade" : ... } { "name" : ..., "subject" : ... } Render(Person p) { Student → … Teacher → … Person → … }
  • 42. C#7 ?
  • 43.
  • 44.
  • 45.
  • 46.
  • 48.
  • 49.
  • 50.
  • 51. C# is a modern versatile OSS language+service. It’s going fun places. Join us for the journey!
  • 52. Watch the video with slide synchronization on InfoQ.com! http://www.infoq.com/presentations/design-c- sharp-7