Go iota

External

• https://go.dev/ref/spec#Iota

Internal

• Go Enumerations

Overview

iota is referred to as an enumerator.

Go Enumerations

How Does the Compiler Assign Values to iota

The compiler parses const() sequence, and each time it encounters a iota constant, it assigns it the zero-based index of the constant, as it appears in the const() sequence.