$NoValue

$NoValue

is a special value that can be assigned to an InitializationValue[] object to indicate that the symbol referenced by the initialization value should be initialized with no value.

Details

  • Unsetting symbols during initialization is typically done with InitializationValue[sym]=$NoValue.

Examples

Basic Examples  (1)

Unset the cloud connection at the start of a session:

Introduced in 2017
 (11.2)