Go Fundamentals

The mental model for compiling, linking, and running Go binaries.

A one-page intro tour with runnable snippets covering essentials before deeper sections.

Declaration styles, short declarations, iota, and closure capture pitfalls.

What every type defaults to and idiomatic initialization patterns.

UTF-8 strings, rune iteration, and numeric conversion gotchas.

Reference semantics, len/cap, and map iteration basics.

Modeling data with structs and promoted embedded fields.

When to use pointers, nil pointers, and passing by value vs reference.

Core habits every Go developer should internalize first.