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Come to the Dart side! We have cookies!

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Oh my Dart! ladicek.github.com

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Dart is made for

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Dart is made for The modern web

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Dart is made for Ease of use

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Dart is made for Performance

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Dart is made for Tooling

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So Dart is a cool language

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So Dart is a cool language Not really, no

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So Dart is a cool language It's rather boring

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Building blocks

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Building blocks Braces & semicolons

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Building blocks Variables

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Building blocks Functions

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Building blocks Closures

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Building blocks Getters & setters

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Building blocks Classes

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Building blocks Libraries

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Building blocks Event loop

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Classes

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Classes Lexically scoped this

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Classes Named constructors

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Classes Factory constructors

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Classes Operators

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Classes noSuchMethod

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Classes Implicit interfaces

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Classes Mixins (in the future)

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Classes Mixin is a difference between a class and its superclass

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Libraries

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Libraries Imported by URI

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Libraries Can have more files

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Typing

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Typing Dynamic

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Typing Optional type annotations

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Typing Optional type annotations and generics

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Typing Optional type annotations for documentation and tooling

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Typing "Innocent until proven guilty"

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Concurrency

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Concurrency Single-threaded is good

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Concurrency Single-threaded is good Except when it isn't

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Concurrency No shared memory

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Concurrency No shared memory Actors to the rescue

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Concurrency No shared memory Actors Isolates

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Concurrency "Isolated threads"

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Concurrency Lightweight isolated threads

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Concurrency Separate heaps and stacks

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Concurrency Separate heaps and stacks Async communication

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Privacy Based on names Only for libraries

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Sugar Only the important right now

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Sugar Nice to have not yet (maybe in the future)

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Performance

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Performance Fast startup

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Performance Program elements are declared

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Performance Diet parsing

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Performance Snapshotting

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Performance Compile-time constants

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Performance Fast runtime

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Performance Beats V8 already (on some benchmarks)

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Performance And it's just the beginning

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Tooling Dart Editor IntelliJ IDEA / WebStorm

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No content

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So what is it all about?

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So what is it all about? Structure!

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ladicek.github.com ?

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Async

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Async Still very much open topic

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Async Still very much open topic (not only in Dart)

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Async Callbacks

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Async Callbacks

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Async Futures

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Async Futures

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Async await? async blocks? promise pipelining?

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This isn't real Dart code! Future> xAxis = db1.fetchData(100); Future> yAxis = db2.fetchData(100); async { List xs <- xAxis; List ys <- yAxis; plot(xs, ys); } catch (e) { doSomething(); }

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Metaprogramming

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Reflection Metaprogramming

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Mirrors Reflection Metaprogramming

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Mirrors Base level and meta level completely separated

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Mirrors Introspecting functions, objects, classes, ...

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Mirrors And other isolates!

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Mirrors And other isolates! (Needs to be async...)

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Mirrors Only in the VM right now

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Mirrors Coming to dart2js

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Mirrors Coming to dart2js But... optimizations?

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Mirrors Builders (in the future)

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Mirrors Builders (in the future) Creating/modifying code

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Mirrors Debugging (in the future)

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Mirrors Debugging (in the future) Introspecting the stack

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Client side

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Client side DOM reinvented

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Client side DOM reinvented jQuery-like experience

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Client side JS interop

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Web Components

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Web Components Templates

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Web Components with data binding

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Web Components and loops and conditionals

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Web Components and event listeners

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Web Components in plain old HTML

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Web Components in plain old HTML (almost)

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Web Components Components

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Web Components = your own tags

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Yes! Your own tags!

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Web Components with templates

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Web Components and Dart code

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Server side

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Server side Async IO, like in Node.js

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Server side Filesystem access (files, directories, ...)

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Server side Environment access (starting processes, ...)

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Server side Network access (HTTP, WebSocket, ...)

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Pub

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Pub Package manager

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Pub on the server

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Pub and in the browser too!

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Pub One or more libraries or an application

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Pub semver.org

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Pub Dependencies

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Pub Dependencies with version locking

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Community

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Community dartflash

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Community Buckshot

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Community Rikulo

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Community DartGap

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Community three.dart

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Community Spectre

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Community DartBox2D

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Community … … … … ... … … … ...

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And much, much more!

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ladicek.github.com ?