Constant MAX 

pub const MAX: u64 = u64::MAX /* 18_446_744_073_709_551_615u64 */;

👎Deprecated since 1.99.0:

replaced by the MAX associated constant on this type

The largest value that can be represented by this integer type. Use u64::MAX instead.

Examples

// deprecated way
let max = std::u64::MAX;

// intended way
let max = u64::MAX;