Determines whether an object has a property with the specified name. Avoid calling prototype builtin hasOwnProperty for two reasons:

Debug logging for deno. Enable with the --log-debug or -D command line flag.

Split a number into two parts: lower 32 bit and higher 32 bit (as if the number is represented as uint64.)

A Resolvable is a Promise with the reject and resolve functions placed as methods on the promise object itself. It allows you to do: