The Object Pascal language phrasebook

This book is aimed at Delphi programmers with some previous Delphi experience. The Object Pascal language of Delphi keeps evolving and knowing it well is of primary importance to every, even experienced, programmer. Not all the concepts that you can find in many Object Pascal tutorials are discussed here, but the idea is to have a solid understanding of some of the fundamental language concepts, with a focus on newer constructs.

Tokens

Tokens are the smallest meaningful pieces of text that a compiler understands. The tokenization is the very first thing that the compiler does when starting to process a source code file. There are different types of tokens, including identifiers, numbers, string constants, and special symbols. An Object Pascal program is made up of tokens and separators. A separator is either a blank space or a comment. There must be at least one separator between tokens.

In an Object Pascal source code, you can use any...