A few additional conveniences for Boolean properties.
- Companion:
- object
- Source:
- BooleanProp.scala
Value members
Abstract methods
Compares two Boolean expressions and returns true if they evaluate to a different value.
Compares two Boolean expressions and returns true if they evaluate to a different value.
a != b returns true if and only if
- a is true and b is false or
- a is false and b is true.
- Source:
- Boolean.scala
Compares two Boolean expressions and returns true if both of them evaluate to true.
Compares two Boolean expressions and returns true if both of them evaluate to true.
a & b returns true if and only if
- a and b are true.
- Note:
This method evaluates both
aandb, even if the result is already determined after evaluatinga.- Source:
- Boolean.scala
Compares two Boolean expressions and returns true if both of them evaluate to true.
Compares two Boolean expressions and returns true if both of them evaluate to true.
a && b returns true if and only if
- a and b are true.
- Note:
This method uses 'short-circuit' evaluation and behaves as if it was declared as
def &&(x: => Boolean): Boolean. Ifaevaluates tofalse,falseis returned without evaluatingb.- Source:
- Boolean.scala
Compares two Boolean expressions and returns true if they evaluate to the same value.
Compares two Boolean expressions and returns true if they evaluate to the same value.
a == b returns true if and only if
- a and b are true or
- a and b are false.
- Source:
- Boolean.scala
Compares two Boolean expressions and returns true if they evaluate to a different value.
Compares two Boolean expressions and returns true if they evaluate to a different value.
a ^ b returns true if and only if
- a is true and b is false or
- a is false and b is true.
- Source:
- Boolean.scala
Alter this property so that value will be false.
Alter this property so that value will be false.
- Source:
- BooleanProp.scala
Alter this property so that value will be true.
Alter this property so that value will be true.
- Source:
- BooleanProp.scala
Toggle the property between enabled and disabled states.
Toggle the property between enabled and disabled states.
- Source:
- BooleanProp.scala
Negates a Boolean expression.
Negates a Boolean expression.
- !a results in false if and only if a evaluates to true and
- !a results in true if and only if a evaluates to false.
- Returns:
the negated expression
- Source:
- Boolean.scala
The semantics of value are determined at Prop creation.
The semantics of value are determined at Prop creation. See methods
valueIsTrue and keyExists in object BooleanProp for examples.
- Returns:
true if the current String is considered true, false otherwise
- Source:
- BooleanProp.scala
Compares two Boolean expressions and returns true if one or both of them evaluate to true.
Compares two Boolean expressions and returns true if one or both of them evaluate to true.
a | b returns true if and only if
- a is true or
- b is true or
- a and b are true.
- Note:
This method evaluates both
aandb, even if the result is already determined after evaluatinga.- Source:
- Boolean.scala
Compares two Boolean expressions and returns true if one or both of them evaluate to true.
Compares two Boolean expressions and returns true if one or both of them evaluate to true.
a || b returns true if and only if
- a is true or
- b is true or
- a and b are true.
- Note:
This method uses 'short-circuit' evaluation and behaves as if it was declared as
def ||(x: => Boolean): Boolean. Ifaevaluates totrue,trueis returned without evaluatingb.- Source:
- Boolean.scala
Inherited methods
Removes the property from the underlying map.
Removes the property from the underlying map.
- Inherited from:
- Prop
- Source:
- Prop.scala
Gets the current string value if any.
Gets the current string value if any. Will not return null: use
isSet to test for existence.
- Returns:
the current string value if any, else the empty string
- Inherited from:
- Prop
- Source:
- Prop.scala
True if the key exists in the properties map.
True if the key exists in the properties map. Note that this is not sufficient for a Boolean property to be considered true.
- Returns:
whether the map contains the key
- Inherited from:
- Prop
- Source:
- Prop.scala
The full name of the property, e.g., "java.awt.headless".
The full name of the property, e.g., "java.awt.headless".
- Inherited from:
- Prop
- Source:
- Prop.scala
Some(value) if the property is set, None otherwise.
Some(value) if the property is set, None otherwise.
- Inherited from:
- Prop
- Source:
- Prop.scala
Sets the property.
Sets the property.
- Value parameters:
- newValue
the new string value
- Returns:
the old value, or null if it was unset.
- Inherited from:
- Prop
- Source:
- Prop.scala