Stack data structure for Jai

stack.jai

#import "Basic";

Stack :: struct ($T: Type) {
    data: [..] T;
}

free :: inline (stack: Stack) {
    array_free(stack.data);
}

is_empty :: (stack: Stack) -> bool {
    return stack.data.count == 0;
}

push :: (stack: *Stack($T), v: T) {
    array_add(*stack.data, v);
}

pop :: (stack: *Stack($T)) -> T {
    assert(stack.data.count > 0);
    defer stack.data.count -= 1;
    return stack.data[stack.data.count - 1];
}

peek :: (stack: *Stack($T)) -> *T {
    assert(stack.data.count > 0);
    return *stack.data[stack.data.count - 1];
}