This object provides a set of operations to create ArraySeq
values.
- Companion
- class
- Source
- ArraySeq.scala
Type members
Classlikes
Value members
Concrete methods
Wrap an existing Array
into an ArraySeq
of the proper primitive specialization type
without copying.
Wrap an existing Array
into an ArraySeq
of the proper primitive specialization type
without copying. Any changes to wrapped array will break the expected immutability.
Note that an array containing boxed primitives can be wrapped in an ArraySeq
without
copying. For example, val a: Array[Any] = Array(1)
is an array of Object
at runtime,
containing Integer
s. An ArraySeq[Int]
can be obtained with a cast:
ArraySeq.unsafeWrapArray(a).asInstanceOf[ArraySeq[Int]]
. The values are still
boxed, the resulting instance is an ArraySeq.ofRef. Writing
ArraySeq.unsafeWrapArray(a.asInstanceOf[Array[Int]])
does not work, it throws a
ClassCastException
at runtime.
- Source
- ArraySeq.scala
Inherited methods
Produces a five-dimensional collection containing the results of some element computation a number of times.
Produces a five-dimensional collection containing the results of some element computation a number of times.
- Value Params
- elem
the element computation
- n1
the number of elements in the 1st dimension
- n2
the number of elements in the 2nd dimension
- n3
the number of elements in the 3rd dimension
- n4
the number of elements in the 4th dimension
- n5
the number of elements in the 5th dimension
- Returns
A collection that contains the results of
n1 x n2 x n3 x n4 x n5
evaluations ofelem
.- Inherited from
- ClassTagIterableFactory
- Source
- Factory.scala
Produces a four-dimensional collection containing the results of some element computation a number of times.
Produces a four-dimensional collection containing the results of some element computation a number of times.
- Value Params
- elem
the element computation
- n1
the number of elements in the 1st dimension
- n2
the number of elements in the 2nd dimension
- n3
the number of elements in the 3rd dimension
- n4
the number of elements in the 4th dimension
- Returns
A collection that contains the results of
n1 x n2 x n3 x n4
evaluations ofelem
.- Inherited from
- ClassTagIterableFactory
- Source
- Factory.scala
Produces a three-dimensional collection containing the results of some element computation a number of times.
Produces a three-dimensional collection containing the results of some element computation a number of times.
- Value Params
- elem
the element computation
- n1
the number of elements in the 1st dimension
- n2
the number of elements in the 2nd dimension
- n3
the number of elements in the 3rd dimension
- Returns
A collection that contains the results of
n1 x n2 x n3
evaluations ofelem
.- Inherited from
- ClassTagIterableFactory
- Source
- Factory.scala
Produces a two-dimensional collection containing the results of some element computation a number of times.
Produces a two-dimensional collection containing the results of some element computation a number of times.
- Value Params
- elem
the element computation
- n1
the number of elements in the 1st dimension
- n2
the number of elements in the 2nd dimension
- Returns
A collection that contains the results of
n1 x n2
evaluations ofelem
.- Inherited from
- ClassTagIterableFactory
- Source
- Factory.scala
Produces a collection containing repeated applications of a function to a start value.
Produces a collection containing repeated applications of a function to a start value.
- Value Params
- f
the function that's repeatedly applied
- len
the number of elements contained in the collection
- start
the start value of the collection
- Returns
a collection with
len
values in the sequencestart, f(start), f(f(start)), ...
- Inherited from
- EvidenceIterableFactory
- Source
- Factory.scala
Produces a collection containing equally spaced values in some integer interval.
Produces a collection containing equally spaced values in some integer interval.
- Value Params
- end
the end value of the collection (the first value NOT contained)
- start
the start value of the collection
- step
the difference between successive elements of the collection (must be positive or negative)
- Returns
a collection with values
start, start + step, ...
up to, but excludingend
- Inherited from
- ClassTagIterableFactory
- Source
- Factory.scala
Produces a collection containing a sequence of increasing of integers.
Produces a collection containing a sequence of increasing of integers.
- Value Params
- end
the end value of the collection (the first value NOT contained)
- start
the first element of the collection
- Returns
a collection with values
start, start + 1, ..., end - 1
- Inherited from
- ClassTagIterableFactory
- Source
- Factory.scala
Produces a five-dimensional collection containing values of a given function over ranges of integer values starting from 0.
Produces a five-dimensional collection containing values of a given function over ranges of integer values starting from 0.
- Value Params
- f
The function computing element values
- n1
the number of elements in the 1st dimension
- n2
the number of elements in the 2nd dimension
- n3
the number of elements in the 3rd dimension
- n4
the number of elements in the 4th dimension
- n5
the number of elements in the 5th dimension
- Returns
A collection consisting of elements
f(i1, i2, i3, i4, i5)
for0 <= i1 < n1
,0 <= i2 < n2
,0 <= i3 < n3
,0 <= i4 < n4
, and0 <= i5 < n5
.- Inherited from
- ClassTagIterableFactory
- Source
- Factory.scala
Produces a four-dimensional collection containing values of a given function over ranges of integer values starting from 0.
Produces a four-dimensional collection containing values of a given function over ranges of integer values starting from 0.
- Value Params
- f
The function computing element values
- n1
the number of elements in the 1st dimension
- n2
the number of elements in the 2nd dimension
- n3
the number of elements in the 3rd dimension
- n4
the number of elements in the 4th dimension
- Returns
A collection consisting of elements
f(i1, i2, i3, i4)
for0 <= i1 < n1
,0 <= i2 < n2
,0 <= i3 < n3
, and0 <= i4 < n4
.- Inherited from
- ClassTagIterableFactory
- Source
- Factory.scala
Produces a three-dimensional collection containing values of a given function over ranges of integer values starting from 0.
Produces a three-dimensional collection containing values of a given function over ranges of integer values starting from 0.
- Value Params
- f
The function computing element values
- n1
the number of elements in the 1st dimension
- n2
the number of elements in the 2nd dimension
- n3
the number of elements in the 3rd dimension
- Returns
A collection consisting of elements
f(i1, i2, i3)
for0 <= i1 < n1
,0 <= i2 < n2
, and0 <= i3 < n3
.- Inherited from
- ClassTagIterableFactory
- Source
- Factory.scala
Produces a two-dimensional collection containing values of a given function over ranges of integer values starting from 0.
Produces a two-dimensional collection containing values of a given function over ranges of integer values starting from 0.
- Value Params
- f
The function computing element values
- n1
the number of elements in the 1st dimension
- n2
the number of elements in the 2nd dimension
- Returns
A collection consisting of elements
f(i1, i2)
for0 <= i1 < n1
and0 <= i2 < n2
.- Inherited from
- ClassTagIterableFactory
- Source
- Factory.scala
Produces a collection that uses a function f
to produce elements of type A
and update an internal state of type S
.
Produces a collection that uses a function f
to produce elements of type A
and update an internal state of type S
.
- Type Params
- A
Type of the elements
- S
Type of the internal state
- Value Params
- f
Computes the next element (or returns
None
to signal the end of the collection)- init
State initial value
- Returns
a collection that produces elements using
f
untilf
returnsNone
- Inherited from
- EvidenceIterableFactory
- Source
- Factory.scala