Yes. https://doc.rust-lang.org/std/primitive.i64.html#method.checked_add https://doc.rust-lang.org/std/primitive.i64.html#method.chec... https://doc.rust-lang

Yes. https://doc.rust-lang.org/std/primitive.i64.html#method.checked_add https://doc.rust-lang.org/std/primitive.i64.html#method.chec... https://doc.rust-lang.org/std/primitive.i64.html#method.checked_mul https://doc.rust-lang.org/std/primitive.i64.html#method.chec...