Stack :: struct(Value_Type : Type) {
	values: [..] Value_Type;
}

stack_push :: (stack: *Stack, value: stack.Value_Type) {
	array_add(*stack.values, value);
}

stack_pop :: (stack: *Stack) -> stack.Value_Type {
	if stack.values.count > 0 {
		index := stack.values.count - 1;
		stack.values.count -= 1;
		return stack.values.data[index];
	}

	return null;
}

stack_peek :: (stack: *Stack) -> stack.Value_Type {
	if stack.values.count > 0 {
		return stack.values[stack.values.count-1];
	}

	return null;
}

is_stack_empty :: (stack: *Stack) -> bool {
	return stack.values.count == 0;
}