arena
Checks if an arena with the given ID exists in the data storage mechanism
Return
true if an arena with the given ID exists, false otherwise
Parameters
id
the ID of the arena to check for
Throws
if an I/O error occurs
Checks if an arena with the given ID exists in the data storage mechanism
true if an arena with the given ID exists, false otherwise
the ID of the arena to check for
if an I/O error occurs