Three new books, Go Optimizations 101, Go Details & Tips 101 and Go Generics 101 are published now. It is most cost-effective to buy all of them through this book bundle in the Leanpub book store.

Go Details & Tips 101

This book collects many details and provides several tips in Go programming. The details and tips are categorized as

syntax and semantics related
conversions related
comparisons related
compiler and runtime related
standard and user packages related

The book is Go 1.21 ready now (update history).

(Please follow Go 101's official Twitter account @go100and1 to get latest Go 101 news and learn all kinds of Go knowledge.)

(about 70 pages, 80+ details and tips)

The digital versions of this book are available at the following places:

Leanpub store, $7.99+ ($7.99 is the minimum book price at Leanpub. It is more cost-effective to buy this book through this or this book bundle).
Amazon Kindle store, $6.99.
Apple Books store, $6.99.
Google Play store, $6.99.

Tapir, the author of Go 101, has been on writing the Go 101 series books and maintaining the go101.org website since July 2016. New contents are still being (and will be) continually added to the book series and the website from time to time.

Tapir is also an indie game developer. If you would like to, you can also support the book and the website by playing Tapir's games (made for both Android and iPhone/iPad). Individual donations are also accepted via PayPal.

Thanks to Olexandr Shalakhin for the permission of using one of the wonderful gopher icon images in the book cover.

Index:

Syntax and Semantics Related
- Go compilers will automatically insert some semicolons in code
- Normalization of method selectors
- more than 40 other details are available in the paid ebooks.

Conversions Related
- Values of two different defined pointer types may be indirectly converted to each other's type if the base types of the two types shares the same underlying type
- more 4 details are available in the paid ebooks.

Comparisons Related
- Array values are compared element by element
- more 11 details are available in the paid ebooks.

Compiler and Runtime Related
- about 10 details are available in the paid ebooks.

Standard and User Packages Related
- The json.Unmarshal function accepts case-insensitive object key matches
- more 10+ details are available in the paid ebooks.

The Go 101 project is hosted on Github. Welcome to improve Go 101 articles by submitting corrections for all kinds of mistakes, such as typos, grammar errors, wording inaccuracies, description flaws, code bugs and broken links.

If you would like to learn some Go details and facts every serveral days, please follow Go 101's official Twitter account @go100and1.

Tapir, the author of Go 101, has been on writing the Go 101 series books and maintaining the go101.org website since 2016 July. New contents will be continually added to the book and the website from time to time. Tapir is also an indie game developer. You can also support Go 101 by playing Tapir's games (made for both Android and iPhone/iPad):

Color Infection (★★★★★), a physics based original casual puzzle game. 140+ levels.
Rectangle Pushers (★★★★★), an original casual puzzle game. Two modes, 104+ levels.
Let's Play With Particles, a casual action original game. Three mini games are included.

Individual donations via PayPal are also welcome.