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Concrete methods
An Option factory which creates Some(x) if the argument is not null, and None if it is null.
An Option factory which creates Some(x) if the argument is not null, and None if it is null.
Value parameters
- x
-
the value
Attributes
- Returns
-
Some(value) if value != null, None if value == null
An Option factory which returns None in a manner consistent with the collections hierarchy.
An Option factory which returns None in a manner consistent with the collections hierarchy.
Attributes
Unless a given condition is true, this will evaluate the a argument and return Some(a). Otherwise, a is not evaluated and None is returned.
Unless a given condition is true, this will evaluate the a argument and return Some(a). Otherwise, a is not evaluated and None is returned.
Attributes
When a given condition is true, evaluates the a argument and returns Some(a). When the condition is false, a is not evaluated and None is returned.
When a given condition is true, evaluates the a argument and returns Some(a). When the condition is false, a is not evaluated and None is returned.