Ten Beloved D Language Features

D automatically generates constructors for structs based on field order.

D supports design by contract with in/out assertions and invariants.

The $ operator provides a shorthand for array length.

Compile Time Function Execution (CTFE) allows code to run at compile time.

Built-in unittest blocks enable low-friction testing.

Final switch statements enforce exhaustive enum handling.

Parenthesis omission simplifies certain function calls.

Uniform Function Call Syntax (UFCS) allows method-style chaining.

Scoped and selective imports limit namespace pollution.

Built-in documentation generator creates docs from comments.