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 ==
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.
Creates an array of Unit
objects
Creates an array of Double
objects
Creates an array of Float
objects
Creates an array of Long
objects
Creates an array of Int
objects
Creates an array of Char
objects
Creates an array of Short
objects
Creates an array of Byte
objects
Creates an array of Boolean
objects
Creates an array with given elements.
Creates an array with given elements.
the elements to put in the array
an array containing all elements from xs.
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
.
Create a copy of the receiver object.
Concatenates all arrays into a single array.
Concatenates all arrays into a single array.
the given arrays
the array created from concatenating xss
Copy one array to another.
Copy one array to another.
Equivalent to Java's
System.arraycopy(src, srcPos, dest, destPos, length)
,
except that this also works for polymorphic and boxed arrays.
Note that the passed-in dest
array will be modified by this call.
the source array.
starting position in the source array.
destination array.
starting position in the destination array.
the number of array elements to be copied.
java.lang.System#arraycopy
Returns an array of length 0
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.
A builder factory that generates a generic array.
A builder factory that generates a generic array.
Called instead of Array.newBuilder
if the element type of an array
does not have a class tag. Note that fallbackBuilder factory
needs an implicit parameter (otherwise it would not be dominated in
implicit search by Array.canBuildFrom
). We make sure that
implicit search is always successful.
Returns a five-dimensional array that contains the results of some element computation a number of times.
Returns a five-dimensional array that contains the results of some element computation a number of times.
the number of elements in the 1st dimension
the number of elements in the 2nd dimension
the number of elements in the 3nd dimension
the number of elements in the 4th dimension
the number of elements in the 5th dimension
the element computation
Returns a four-dimensional array that contains the results of some element computation a number of times.
Returns a four-dimensional array that contains the results of some element computation a number of times.
the number of elements in the 1st dimension
the number of elements in the 2nd dimension
the number of elements in the 3nd dimension
the number of elements in the 4th dimension
the element computation
Returns a three-dimensional array that contains the results of some element computation a number of times.
Returns a three-dimensional array that contains the results of some element computation a number of times.
the number of elements in the 1st dimension
the number of elements in the 2nd dimension
the number of elements in the 3nd dimension
the element computation
Returns a two-dimensional array that contains the results of some element computation a number of times.
Returns a two-dimensional array that contains the results of some element computation a number of times.
the number of elements in the 1st dimension
the number of elements in the 2nd dimension
the element computation
Returns an array that contains the results of some element computation a number of times.
Returns an array that contains the results of some element computation a number of times.
Note that this means that elem
is computed a total of n times:
scala> Array.fill(3){ math.random } res3: Array[Double] = Array(0.365461167592537, 1.550395944913685E-4, 0.7907242137333306)
the number of elements desired
the element computation
an Array of size n, where each element contains the result of computing
elem
.
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.
A representation that corresponds to the dynamic class of the receiver object.
A representation that corresponds to the dynamic class of the receiver object.
The nature of the representation is platform dependent.
a representation that corresponds to the dynamic class of the receiver object.
not specified by SLS as a member of AnyRef
The hashCode method for reference types.
Test whether the dynamic type of the receiver object is T0
.
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.
true
if the receiver object is an instance of erasure of type T0
; false
otherwise.
Returns an array containing repeated applications of a function to a start value.
Returns an array containing repeated applications of a function to a start value.
the start value of the array
the number of elements returned by the array
the function that is repeatedly applied
the array returning len
values in the sequence start, f(start), f(f(start)), ...
Equivalent to !(this eq that)
.
Equivalent to !(this eq that)
.
true
if the argument is not a reference to the receiver object; false
otherwise.
Returns a new scala.collection.mutable.ArrayBuilder.
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
Creates a 5-dimensional array
Creates a 4-dimensional array
Creates a 3-dimensional array
Creates a 2-dimensional array
Creates array with given dimensions
Returns an array containing equally spaced values in some integer interval.
Returns an array containing equally spaced values in some integer interval.
the start value of the array
the end value of the array, exclusive (in other words, this is the first value not returned)
the increment value of the array (may not be zero)
the array with values in start, start + step, ...
up to, but excluding end
Returns an array containing a sequence of increasing integers in a range.
Returns an array containing a sequence of increasing integers in a range.
the start value of the array
the end value of the array, exclusive (in other words, this is the first value not returned)
the array with values in range start, start + 1, ..., end - 1
up to, but excluding, end
.
Returns a five-dimensional array containing values of a given function
over ranges of integer values starting from 0
.
Returns a five-dimensional array containing values of a given function
over ranges of integer values starting from 0
.
the number of elements in the 1st dimension
the number of elements in the 2nd dimension
the number of elements in the 3rd dimension
the number of elements in the 4th dimension
the number of elements in the 5th dimension
The function computing element values
Returns a four-dimensional array containing values of a given function
over ranges of integer values starting from 0
.
Returns a four-dimensional array containing values of a given function
over ranges of integer values starting from 0
.
the number of elements in the 1st dimension
the number of elements in the 2nd dimension
the number of elements in the 3rd dimension
the number of elements in the 4th dimension
The function computing element values
Returns a three-dimensional array containing values of a given function
over ranges of integer values starting from 0
.
Returns a three-dimensional array containing values of a given function
over ranges of integer values starting from 0
.
the number of elements in the 1st dimension
the number of elements in the 2nd dimension
the number of elements in the 3rd dimension
The function computing element values
Returns a two-dimensional array containing values of a given function
over ranges of integer values starting from 0
.
Returns a two-dimensional array containing values of a given function
over ranges of integer values starting from 0
.
the number of elements in the 1st dimension
the number of elements in the 2nd dimension
The function computing element values
Returns an array containing values of a given function over a range of integer values starting from 0.
Returns an array containing values of a given function over a range of integer values starting from 0.
The number of elements in the array
The function computing element values
A traversable consisting of elements f(0),f(1), ..., f(n - 1)
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.
Called in a pattern match like { case Array(x,y,z) => println('3 elements')}
.
Called in a pattern match like { case Array(x,y,z) => println('3 elements')}
.
the selector value
sequence wrapped in a scala.Some, if x
is a Seq, otherwise None
Utility methods for operating on arrays. For example:
where the array objects
a
,b
andc
have respectively the valuesArray(1, 2)
,Array(0, 0)
andArray(1, 2, 0, 0)
.1.0