> Are there plans to use D in Facebook?
> Not for the time being. However, since recently it's become part of my job description to explore integration of D at Facebook. This is the first time I'm mentioning it publicly. assert(cat !in bag); I have a well-defined plan that is difficult but executable. If things go well, we'll make an announcement in a few months. Otherwise, well, we won't

Version D 2.065 February 24, 2014
Compiler Changes
Extensionless D source file names can now be run when using the -run switch.
Language Changes
Goto jumps now cannot skip variable declarations.
All instantiated functions now infer their attributes.
Add a new type qualifier inout const.
Entire slicing operation of built-in tuple is now accepted.
Packages and module names now have no type.
Const and immutable fields with initializers are now deprecated.
Deprecate unordered floating point comparisons.
Deprecate .min property for floating-point types.
CTFE can handle overlapped union fields.
Add a new trait getAliasThis.
Library Changes
Many functions in std.algorithm can now be used as predicates to other functions.
Allow std.algorithm.all to be used without a predicate.
Add std.uni.byGrapheme and std.uni.byCodePoint.
Add support for any number of arguments to std.range.only.
Linker Changes
Added /LARGEADDRESSAWARE to the Win32 Optlink linker.

Language Changes
 
    Destructors for structs allocated on the heap are now invoked.
    asm statements can now be used in pure, nothrow, @nogc, or @trusted code.
 
Library Changes
 
    volatileLoad and volatileStore intrinsics were added.
    Experimental: The garbage collector can now be configured.
    byKeyValue was added.
    initOnce was added to perform thread-safe lazy initialization.

Compiler Changes
 
    -w now warns about an unused return value of a strongly pure nothrow function call.
    -noboundscheck has been deprecated in favor of boundscheck=[on|safeonly|off].
    -vgc was added to list GC allocation code positions in the code.
    -vcolumns was added to display column numbers in error messages.
    -color was added to make console output colored.
 
Language Changes
 
    @nogc attribute was added.
    extern (C++, namespace) was added.
    Operator overloading for multi-dimensional slicing was added.
    __traits(getFunctionAttributes) was added.
    Support template parameter deduction for arguments with a narrowing conversion.
    Read-Modify-Write operations on shared variables are now deprecated.
    Support uniform construction syntax for built-in scalar types.
 
Library Changes
 
    Duration.get and its wrappers have been deprecated in favor of the new Duration.split.
    Some built-in type properties have been replaced with library functions.
    Associative array keys now require equality instead of order comparison.

Leverage the modern convenience and modelling power of the D programming language to develop software with native efficiency
About This BookAcquire the skills to understand the fundamentals of D through its support for imperative and object-oriented programmingTake advantage of D's powerful compile-time features, templates and ranges to apply generative, generic, and functional styleA systematic guide that will help you become familiar with the concepts in D with the help of simple and easy-to-understand examplesWho This Book Is For
This book is intended for those with some background in a C-family language who want to learn how to apply their knowledge and experience to D. Perhaps you're a college student looking to use D for hobby projects, or a career programmer interested in expanding your skillset. This book will help you get up to speed with the language and avoid common pitfalls that arise when translating C-family experience to D.
What You Will LearnCompile programs with DMD and manage projects with DUBWork efficiently by binding your D programs with new and existing C librariesGenerate code at compile-time to enhance runtime performanceImplement complex templates for more powerful generic codeWrite idiomatic D with range-based functional pipelinesUse the DUB repository to find a link with a variety of D librariesImplement a web-app in D from the ground upIn Detail
D is a modern programming language that is both powerful and efficient. It combines multiple paradigms in a way that opens up a whole new world of software design. It is used to develop both desktop and web applications, with future targets including mobile, and is available on multiple platforms. It is familiar to anyone with some experience in one or more of the C-family languages. However, hidden in the similarities are several differences that can be surprising when trying to apply common idioms from other languages. When learning D on your own, this can make it more time-consuming to master. In order to make the most of the language and become an idiomatic D programmer, it's necessary to learn how to think in D.
 
This book familiarizes you with D from the ground up, with a heavy focus on helping you to avoid surprises so that you can take your D knowledge to the next level more quickly and painlessly.
 
Your journey begins with a taste of the language and the basics of compiling D programs with DMD, the reference D compiler developed by Digital Mars, and DUB, a community-developed build utility and package manager. You then set out on an exploration of major language features. This begins with the fundamentals of D, including built-in types, conditionals, loops and all of the basic building-blocks of a D program, followed by an examination of D's object-oriented programming support. You'll learn how these features differ from languages you may already be familiar with. Next up are D's compile-time features, such as Compile-Time Function Evaluation and conditional compilation, then generic programming with templates. After that, you'll learn the more advanced features of ranges and functional pipeline programming. To enhance your D experience, you are next taken on a tour of the D ecosystem and learn how to make D interact with C. Finally, you get a look at D web development using the vibe.d project and the book closes with some handy advice on where to go next.
Style and approach
A friendly guide to the D programming language and its ecosystem that walks programmers through all they need to know for a painless experience in learning D.