is
test if an instance is null
Parameters
value
value to test
Throws
when the instance is null
test if an instance is null
Parameters
value
value to test
name
value name for better error message
Throws
when the instance is null
test if an instance is null
value to test
when the instance is null
test if an instance is null
value to test
value name for better error message
when the instance is null