Variables

Variables store data, such as numbers and strings.

// Declaring a new variable `<type> <var_name>;`:
i32 i;

// Assigning a value to a variable `<var_name> = <value>;`:
i = 0;

// Variables can also be set to the result of an expression `<var_name> = <expression>;`:
i = 1 + 2;
i = add(1, 2) + 9; // (assuming that the `add` fn is in scope and returns an `i32`)

Scopes

Each variable is associated with some scope, which is the range of the program in which it is active and accessible. We will see how there are scopes tied to functions, probes, and scripts. The syntax for declaring and assigning to variables is consistent across these contexts.