Go language specification

Go Doc

Go by example has a list of simple go programs that demonstrates the basic language features.

GopherJS compiles Go code into JavaScript. This is

Book on algorithms by Jeff Erickson

Style guideline for Go packagers

Example of good package organization

Functional options for friendly APIs

Functional options for friendly APIs - post

Self-referential functions and the design of options

Go Proverbs - Rob Pike

Error handling