Constants

Go supports constants of character, string, boolean, and numeric values.

const declares a constant value/variable. A const statement can appear anywhere a var can.

Constant expressions perform arithmetic with arbitrary precision.

A numeric constant has no type until it's given one, such as by an explicit conversion.

A number can be given a type by using it in a context that requires one, such as a variable assignment or function call. e.g. math.Sin() expects a float64