Class scala.Boolean

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.

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.

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.

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.

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.

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.

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.

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.

Test two objects for inequality.

Equivalent to x.hashCode except for boxed numeric types and null. For numerics, it returns a hash value which is consistent with value equality: if two value type instances compare as true, then ## will produce the same hash value for each of them. For null returns a hashcode where null.hashCode throws a NullPointerException.

Returns true if this is less than that

Returns true if this is less than or equal to that.

Test two objects for equality. The expression x == that is equivalent to if (x eq null) that eq null else x.equals(that).

Returns true if this is greater than that.

Returns true if this is greater than or equal to that.

Cast the receiver object to be of type T0.

Note that the success of a cast at runtime is modulo Scala's erasure semantics. Therefore the expression 1.asInstanceOf[String] will throw a ClassCastException at runtime, while the expression List(1).asInstanceOf[List[String]] will not. In the latter example, because the type argument is erased as part of compilation it is not possible to check whether the contents of the list are of the requested type.

Result of comparing this with operand that.

Implement this method to determine how instances of A will be sorted.

Returns x where:

x < 0 when this < that x == 0 when this == that x > 0 when this > that

Result of comparing this with operand that.

Compares the receiver object (this) with the argument object (that) for equivalence.

Any implementation of this method should be an equivalence relation:

It is reflexive: for any instance x of type Any, x.equals(x) should return true.It is symmetric: for any instances x and y of type Any, x.equals(y) should return true if and only if y.equals(x) returns true.It is transitive: for any instances x, y, and z of type Any if x.equals(y) returns true and y.equals(z) returns true, then x.equals(z) should return true.

If you override this method, you should verify that your implementation remains an equivalence relation. Additionally, when overriding this method it is usually necessary to override hashCode to ensure that objects which are "equal" (o1.equals(o2) returns true) hash to the same scala.Int. (o1.hashCode.equals(o2.hashCode)).

Returns string formatted according to given format string. Format strings are as for String.format (@see java.lang.String.format).

Returns the runtime class representation of the object.

Calculate a hash code value for the object.

The default hashing algorithm is platform dependent.

Note that it is allowed for two objects to have identical hash codes (o1.hashCode.equals(o2.hashCode)) yet not be equal (o1.equals(o2) returns false). A degenerate implementation could always return 0. However, it is required that if two objects are equal (o1.equals(o2) returns true) that they have identical hash codes (o1.hashCode.equals(o2.hashCode)). Therefore, when overriding this method, be sure to verify that the behavior is consistent with the equals method.

Test whether the dynamic type of the receiver object is T0.

Note that the result of the test is modulo Scala's erasure semantics. Therefore the expression 1.isInstanceOf[String] will return false, while the expression List(1).isInstanceOf[List[String]] will return true. In the latter example, because the type argument is erased as part of compilation it is not possible to check whether the contents of the list are of the specified type.

Returns a string representation of the object.

The default representation is platform dependent.

The equality method for reference types. Default implementation delegates to eq.

See also equals in scala.Any.

The hashCode method for reference types. See hashCode in scala.Any.

Creates a String representation of this object. The default representation is platform dependent. On the java platform it is the concatenation of the class name, "@", and the object's hashcode in hexadecimal.

Returns a string representation of the object.

The default representation is platform dependent.