Filenames, Keywords and Identifiers

This lesson describes what a basic Go program usually comprises of.

We'll cover the following

Filename
Keyword
Identifiers
- Blank identifier
- Anonymous
The basic structure of a Go program

Filename

Go source code is stored in .go files. Their filenames consist of lowercase-letters, like educative.go. If the name consists of multiple parts, they are separated by underscores ‘_’, like educative_platform.go. Filenames cannot contain spaces or any other special characters. A source file contains code lines whose length has no intrinsic limits.

Keyword

A reserved word, with a special meaning in a programming language, is called a keyword. Below is the set of 25 keywords, or reserved words, used in Go-code:

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Origin, Context and Popularity of GO

Basic Constructs and Elementary Data Types

Control Structures

Functions

Arrays and Slices

Maps

Packages

Structs and Methods

Interfaces and Reflection

Reading and Writing

Error-Handling and Testing

Goroutines and Channels

Networking, Templating and Web-Applications

Common Go Pitfalls and Patterns

Performance Advices

Building a Complete Application

Appendix

Filenames, Keywords and Identifiers

Filename

Keyword