pub fn FixedVec(comptime T: type, comptime N: usize) type {
    return struct {
        data: [N]T = undefined,
        len: usize = 0,

        pub fn push(self: *@This(), value: T) void {
            if (self.len + 1 >= self.data.len) {
                @panic("Fixed vector overflowed");
            }
            self.data[self.len] = value;
            self.len += 1;
        }

        pub fn asConstSlice(self: *const @This()) []const T {
            return self.data[0..self.len];
        }
    };
}