Learn D with Real Code Examples

Install DMD (D Compiler), LDC, or GDC

Verify installation with dmd --version

Set PATH for compiler binaries

Install Dub package manager

Test setup with simple hello world program

Install DMD, LDC, or GDC compiler

Set PATH for D binaries

Install Dub package manager

Optional: configure IDE (VS Code, Vim, Emacs)

Test compiler with simple hello world

dub.json or dub.sdl for project config

.d source files

Build scripts for deployment

Test scripts for automated validation

Documentation and examples

dmd file.d # compile

dub build # build project with Dub

dub test # run unit tests

ldc2 file.d # alternative compiler

gdc file.d # GCC-based D compiler

Supports Unicode and UTF-8

Used globally for systems and web programming

Libraries handle locale-specific tasks

Documentation available in multiple languages

Web frameworks allow multi-language UI support

Cross-platform support (Windows, Linux, macOS)

Active documentation and community

Lightweight compiler and tooling

Dub for easy package management

GitHub and forums for support

No built-in GUI

Console I/O via std.stdio

Web UI via Vibe.d or other frameworks

External libraries for GUI integration

CLI-focused development

Garbage-collected by default

Structs and classes encapsulate state

Modules manage global state

Contracts verify state correctness

Templates and mixins can manipulate state at compile-time

Primitive types: int, float, bool, char

Structs and classes for structured data

Arrays, dynamic arrays, associative arrays

Ranges for iterable sequences

Compile-time data manipulation via templates/mixins