## UInt64 **Kind**: global class **this**: {UInt64} * [UInt64](#UInt64) * [new UInt64(top, bot)](#new_UInt64_new) * [.add(y)](#UInt64+add) * [.copy()](#UInt64+copy) * [.shlb()](#UInt64+shlb) ### new UInt64(top, bot) Creates an instance of UInt64. Rudimentary unsigned 64-bit type for SHA384 and SHA512 | Param | Description | | --- | --- | | top | Top 32 bits | | bot | Bottom 32 bits | ### uInt64.add(y) Add value **Kind**: instance method of [UInt64](#UInt64) **this**: {UInt64} | Param | Description | | --- | --- | | y | UInt64 value | ### uInt64.copy() Copy value **Kind**: instance method of [UInt64](#UInt64) **this**: {UInt64} ### uInt64.shlb() Shift left **Kind**: instance method of [UInt64](#UInt64) **this**: {UInt64}