Golang News

The Zoo of Go Functions #tutorials #learngoprogramming

Tue, 28 Nov 2017 16:01:00 +0000

An overview of anonymous, higher-order, closures, concurrent, deferred, and other kinds of Golang functions.

What is inside?

Named and variadic funcs
Methods
Interface methods
First-class funcs
Anonymous funcs
Higher-Order funcs
Deferred funcs
Concurrent funcs
Others: Recursive, Black-Hole, Inlined, and External funcs.

6 points posted by blackflicker

5 More Gotchas and Tricks of Defer in Go — Part III #learngoprogramming

Thu, 18 Jan 2018 22:22:00 +0000

What is inside?

Calling recover outside of a deferred func
Calling defer in the wrong order
Not checking for errors
Releasing the same resource twice
panic/recover can get and return any type

5 points posted by blackflicker

Learn Go Programming - Yearly Recap #learngoprogramming

Thu, 04 Jan 2018 19:21:00 +0000

Articles from 2017

You may read the articles in the order I‘m listing here. Almost all of my articles include explanations, tips and tricks, visuals and code exercises which you can try online.

★ Overview

About Go Language — An Overview
Go ecosystem and the language’s overview.

★ Go Packages

Introduction to Go Packages
What is a package?
How to use packages
How to use your own, others’ and Go standard library’s packages?
Special Packages and Directories
About internal, main, library and vendor directories.
Organize your code with packages
How to design a Go program with packages.
How to decouple your packages
How to increase code maintainability with packages.
Go Packages Rulebook
Summarizing the rules for reference.
Fix your $GOPATH and $GOROOT
How to configure them and what they do.

★ Variables

Visual guide to Go Variables
Introduction to variables and declaration styles.
Short-variable declarations rulebook
Tips and tricks about how to use short-variables. Intermediate-level.

★ Constants

Visual guide to Go Constants
Introduction to untyped and typed constants.
Ultimate Visual Guide to Go Enums
How to define an enum in Go and how to use iota?

★ Functions

Funcs — Baby-Gopher’s Visual Guide
Introducing Go functions with examples.
The Zoo of Go Functions
Introductory tour of anonymous, higher-order, closure, concurrent, deferred, variadic funcs and methods.
Ultimate Guide to Go Variadic Funcs
A variadic func accepts variable number of input values — zero or more. The article covers everything about variadic funcs.
Defer Simplified with Practical Visuals
Introduction to deferred functions. Includes deferred funcs, multiple defers, deferred methods, deferred closures, and other examples.
Defer Internals — Quick Look
An intermediate-level article. Asking the question: Are defers run after or before the func returns?
5 Gotchas of Defer in Go (Golang) — Part II
Beginner-level article which covers some basic pitfalls of deferred funcs.
5 Gotchas of Defer in Go (Golang) — Part I
Intermediate-level article which covers some more advanced pitfalls of deferred funcs.

5 points posted by blackflicker

5 More Gotchas of Defer in Go — Part II #golang #learngoprogramming

Thu, 21 Dec 2017 16:10:00 +0000

What is inside?

Z to A
Scope ate my param
Quick to run the params
Captured in a Loop
Point of no return?

Press here to read the article.

3 points posted by blackflicker

5 Gotchas of Defer in Go - Part I #learngoprogramming

Fri, 08 Dec 2017 14:01:00 +0000

What is inside?

Deferred nil func
Defer inside a loop
Defer as a wrapper
Defer in a block
Deferred method gotchas

Check out.

3 points posted by blackflicker