Test two objects for inequality.
Test two objects for inequality.
true
if !(this == that), false otherwise.
Equivalent to x.hashCode
except for boxed numeric types and null
.
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
.
a hash value consistent with ==
Alias for addAll
Alias for addOne
The expression x == that
is equivalent to if (x eq null) that eq null else x.equals(that)
.
The expression x == that
is equivalent to if (x eq null) that eq null else x.equals(that)
.
true
if the receiver object is equivalent to the argument; false
otherwise.
Adds all elements produced by an IterableOnce to this growable collection.
Adds all elements produced by an IterableOnce to this growable collection.
the IterableOnce producing the elements to add.
the growable collection itself.
Adds a single element to this growable collection.
Adds a single element to this growable collection.
the element to add.
the growable collection itself
Cast the receiver object to be of type T0
.
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.
the receiver object.
ClassCastException
if the receiver object is not an instance of the erasure of type T0
.
Clears the contents of this builder.
Clears the contents of this builder. After execution of this method, the builder will contain no elements.
If executed immediately after a call to result()
, this allows a new instance of the same type of collection to be built.
Create a copy of the receiver object.
Create a copy of the receiver object.
The default implementation of the clone
method is platform dependent.
a copy of the receiver object.
Tests whether the argument (that
) is a reference to the receiver object (this
).
Tests whether the argument (that
) is a reference to the receiver object (this
).
The eq
method implements an equivalence relation on non-null instances of AnyRef
, and has three additional properties:
x
and y
of type AnyRef
, multiple invocations of x.eq(y)
consistently returns true
or consistently returns false
.x
of type AnyRef
, x.eq(null)
and null.eq(x)
returns false
.null.eq(null)
returns true
.When overriding the equals
or hashCode
methods, it is important to ensure that their behavior is consistent with reference equality. Therefore, if two objects are references to each other (o1 eq o2
), they should be equal to each other (o1 == o2
) and they should hash to the same value (o1.hashCode == o2.hashCode
).
true
if the argument is a reference to the receiver object; false
otherwise.
The equality method for reference types.
The equality method for reference types. Default implementation delegates to eq
.
See also equals
in scala.Any.
true
if the receiver object is equivalent to the argument; false
otherwise.
Called by the garbage collector on the receiver object when there are no more references to the object.
Called by the garbage collector on the receiver object when there are no more references to the object.
The details of when and if the finalize
method is invoked, as well as the interaction between finalize
and non-local returns and exceptions, are all platform dependent.
not specified by SLS as a member of AnyRef
Returns the runtime class representation of the object.
Returns the runtime class representation of the object.
a class object corresponding to the runtime type of the receiver.
The hashCode method for reference types.
The hashCode method for reference types. See hashCode in scala.Any.
the hash code value for this object.
Test whether the dynamic type of the receiver object has the same erasure as T0
.
Test whether the dynamic type of the receiver object has the same erasure as T0
.
Depending on what T0
is, the test is done in one of the below ways:
T0
is a non-parameterized class type, e.g. BigDecimal
: this method returns true
if the value of the receiver object is a BigDecimal
or a subtype of BigDecimal
.T0
is a parameterized class type, e.g. List[Int]
: this method returns true
if the value of the receiver object is some List[X]
for any X
. For example, List(1, 2, 3).isInstanceOf[List[String]]
will return true.T0
is some singleton type x.type
or literal x
: this method returns this.eq(x)
. For example, x.isInstanceOf[1]
is equivalent to x.eq(1)
T0
is an intersection X with Y
or X & Y: this method is equivalent to
x.isInstanceOf[X] && x.isInstanceOf[Y]
T0
is a union X | Y
: this method is equivalent to x.isInstanceOf[X] || x.isInstanceOf[Y]
T0
is a type parameter or an abstract type member: this method is equivalent to isInstanceOf[U]
where U
is T0
's upper bound, Any
if T0
is unbounded. For example, x.isInstanceOf[A]
where A
is an unbounded type parameter will return true for any value of x
.This is exactly equivalent to the type pattern _: T0
true
if the receiver object is an instance of erasure of type T0
; false
otherwise.
due to the unexpectedness of List(1, 2, 3).isInstanceOf[List[String]]
returning true and x.isInstanceOf[A]
where A
is a type parameter or abstract member returning true, these forms issue a warning.
The number of elements in the collection under construction, if it can be cheaply computed, -1 otherwise. The default implementation always returns -1.
A builder resulting from this builder my mapping the result using f
.
A builder resulting from this builder my mapping the result using f
.
Equivalent to !(this eq that)
.
Equivalent to !(this eq that)
.
true
if the argument is not a reference to the receiver object; false
otherwise.
Wakes up a single thread that is waiting on the receiver object's monitor.
Wakes up a single thread that is waiting on the receiver object's monitor.
not specified by SLS as a member of AnyRef
Wakes up all threads that are waiting on the receiver object's monitor.
Wakes up all threads that are waiting on the receiver object's monitor.
not specified by SLS as a member of AnyRef
Produces a collection from the added elements.
Produces a collection from the added elements.
After a call to result
, the behavior of all other methods is undefined save for clear()
. If clear()
is called, then the builder is reset and may be used to build another instance.
a collection containing the elements added to this builder.
Gives a hint that one expects the result
of this builder to have the same size as the given collection, plus some delta.
Gives a hint that one expects the result
of this builder to have the same size as the given collection, plus some delta. This will provide a hint only if the collection has a known size Some builder classes will optimize their representation based on the hint. However, builder implementations are still required to work correctly even if the hint is wrong, i.e. a different number of elements is added.
the collection which serves as a hint for the result's size.
a correction to add to the coll.size
to produce the size hint.
Gives a hint how many elements are expected to be added when the next result
is called.
Gives a hint how many elements are expected to be added when the next result
is called. Some builder classes will optimize their representation based on the hint. However, builder implementations are still required to work correctly even if the hint is wrong, i.e. a different number of elements is added.
the hint how many elements will be added.
Gives a hint how many elements are expected to be added when the next result
is called, together with an upper bound given by the size of some other collection.
Gives a hint how many elements are expected to be added when the next result
is called, together with an upper bound given by the size of some other collection. Some builder classes will optimize their representation based on the hint. However, builder implementations are still required to work correctly even if the hint is wrong, i.e. a different number of elements is added.
the hint how many elements will be added.
the bounding collection. If it is an IndexedSeqLike, then sizes larger than collection's size are reduced.
Executes the code in body
with an exclusive lock on this
.
Executes the code in body
with an exclusive lock on this
.
the result of body
Creates a String representation of this object.
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.
a String representation of the object.
See https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait--.
See https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-int-
See https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-.
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