Go supports constants of character, string, boolean, and numeric values.
Constant basics:
https://codeeval.dev/gist/26ed4afc610949390fcd2efab4326110
Constants can be used like variables, except that their value can't change.
An example:
https://codeeval.dev/gist/d36d30471048d802bf7173e48d39989f
Typed vs. untyped constants
iota
Emulating enums