ParallelEnumerable.Sum Method
Definition
Important
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Computes in parallel the sum of a sequence of values.
Overloads
Sum(ParallelQuery<Nullable<Single>>) |
Computes in parallel the sum of a sequence of values. |
Sum(ParallelQuery<Nullable<Int64>>) |
Computes in parallel the sum of a sequence of values. |
Sum(ParallelQuery<Nullable<Int32>>) |
Computes in parallel the sum of a sequence of values. |
Sum(ParallelQuery<Nullable<Double>>) |
Computes in parallel the sum of a sequence of values. |
Sum(ParallelQuery<Single>) |
Computes in parallel the sum of a sequence of values. |
Sum(ParallelQuery<Int64>) |
Computes in parallel the sum of a sequence of values. |
Sum(ParallelQuery<Int32>) |
Computes in parallel the sum of a sequence of values. |
Sum(ParallelQuery<Double>) |
Computes in parallel the sum of a sequence of values. |
Sum(ParallelQuery<Decimal>) |
Computes in parallel the sum of a sequence of values. |
Sum(ParallelQuery<Nullable<Decimal>>) |
Computes in parallel the sum of a sequence of values. |
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Single>) |
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence. |
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Decimal>) |
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence. |
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Double>) |
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence. |
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Int32>) |
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence. |
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Int64>) |
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence. |
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Nullable<Decimal>>) |
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence. |
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Nullable<Double>>) |
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence. |
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Nullable<Int32>>) |
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence. |
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Nullable<Int64>>) |
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence. |
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Nullable<Single>>) |
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence. |
Sum(ParallelQuery<Nullable<Single>>)
Computes in parallel the sum of a sequence of values.
public:
[System::Runtime::CompilerServices::Extension]
static Nullable<float> Sum(System::Linq::ParallelQuery<Nullable<float>> ^ source);
public static float? Sum (this System.Linq.ParallelQuery<float?> source);
static member Sum : System.Linq.ParallelQuery<Nullable<single>> -> Nullable<single>
<Extension()>
Public Function Sum (source As ParallelQuery(Of Nullable(Of Single))) As Nullable(Of Single)
Parameters
- source
- ParallelQuery<Nullable<Single>>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
is a null reference (Nothing in Visual Basic).
The sum is larger than Single.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum(ParallelQuery<Nullable<Int64>>)
Computes in parallel the sum of a sequence of values.
public:
[System::Runtime::CompilerServices::Extension]
static Nullable<long> Sum(System::Linq::ParallelQuery<Nullable<long>> ^ source);
public static long? Sum (this System.Linq.ParallelQuery<long?> source);
static member Sum : System.Linq.ParallelQuery<Nullable<int64>> -> Nullable<int64>
<Extension()>
Public Function Sum (source As ParallelQuery(Of Nullable(Of Long))) As Nullable(Of Long)
Parameters
- source
- ParallelQuery<Nullable<Int64>>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
is a null reference (Nothing in Visual Basic).
The sum is larger than Int64.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum(ParallelQuery<Nullable<Int32>>)
Computes in parallel the sum of a sequence of values.
public:
[System::Runtime::CompilerServices::Extension]
static Nullable<int> Sum(System::Linq::ParallelQuery<Nullable<int>> ^ source);
public static int? Sum (this System.Linq.ParallelQuery<int?> source);
static member Sum : System.Linq.ParallelQuery<Nullable<int>> -> Nullable<int>
<Extension()>
Public Function Sum (source As ParallelQuery(Of Nullable(Of Integer))) As Nullable(Of Integer)
Parameters
- source
- ParallelQuery<Nullable<Int32>>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
is a null reference (Nothing in Visual Basic).
The sum is larger than Int32.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum(ParallelQuery<Nullable<Double>>)
Computes in parallel the sum of a sequence of values.
public:
[System::Runtime::CompilerServices::Extension]
static Nullable<double> Sum(System::Linq::ParallelQuery<Nullable<double>> ^ source);
public static double? Sum (this System.Linq.ParallelQuery<double?> source);
static member Sum : System.Linq.ParallelQuery<Nullable<double>> -> Nullable<double>
<Extension()>
Public Function Sum (source As ParallelQuery(Of Nullable(Of Double))) As Nullable(Of Double)
Parameters
- source
- ParallelQuery<Nullable<Double>>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
is a null reference (Nothing in Visual Basic).
The sum is larger than Double.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum(ParallelQuery<Single>)
Computes in parallel the sum of a sequence of values.
public:
[System::Runtime::CompilerServices::Extension]
static float Sum(System::Linq::ParallelQuery<float> ^ source);
public static float Sum (this System.Linq.ParallelQuery<float> source);
static member Sum : System.Linq.ParallelQuery<single> -> single
<Extension()>
Public Function Sum (source As ParallelQuery(Of Single)) As Single
Parameters
- source
- ParallelQuery<Single>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
is a null reference (Nothing in Visual Basic).
The sum is larger than Single.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum(ParallelQuery<Int64>)
Computes in parallel the sum of a sequence of values.
public:
[System::Runtime::CompilerServices::Extension]
static long Sum(System::Linq::ParallelQuery<long> ^ source);
public static long Sum (this System.Linq.ParallelQuery<long> source);
static member Sum : System.Linq.ParallelQuery<int64> -> int64
<Extension()>
Public Function Sum (source As ParallelQuery(Of Long)) As Long
Parameters
- source
- ParallelQuery<Int64>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
is a null reference (Nothing in Visual Basic).
The sum is larger than Int64.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum(ParallelQuery<Int32>)
Computes in parallel the sum of a sequence of values.
public:
[System::Runtime::CompilerServices::Extension]
static int Sum(System::Linq::ParallelQuery<int> ^ source);
public static int Sum (this System.Linq.ParallelQuery<int> source);
static member Sum : System.Linq.ParallelQuery<int> -> int
<Extension()>
Public Function Sum (source As ParallelQuery(Of Integer)) As Integer
Parameters
- source
- ParallelQuery<Int32>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
is a null reference (Nothing in Visual Basic).
The sum is larger than Int32.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum(ParallelQuery<Double>)
Computes in parallel the sum of a sequence of values.
public:
[System::Runtime::CompilerServices::Extension]
static double Sum(System::Linq::ParallelQuery<double> ^ source);
public static double Sum (this System.Linq.ParallelQuery<double> source);
static member Sum : System.Linq.ParallelQuery<double> -> double
<Extension()>
Public Function Sum (source As ParallelQuery(Of Double)) As Double
Parameters
- source
- ParallelQuery<Double>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
is a null reference (Nothing in Visual Basic).
The sum is larger than Double.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum(ParallelQuery<Decimal>)
Computes in parallel the sum of a sequence of values.
public:
[System::Runtime::CompilerServices::Extension]
static System::Decimal Sum(System::Linq::ParallelQuery<System::Decimal> ^ source);
public static decimal Sum (this System.Linq.ParallelQuery<decimal> source);
static member Sum : System.Linq.ParallelQuery<decimal> -> decimal
<Extension()>
Public Function Sum (source As ParallelQuery(Of Decimal)) As Decimal
Parameters
- source
- ParallelQuery<Decimal>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
is a null reference (Nothing in Visual Basic).
The sum is larger than Decimal.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum(ParallelQuery<Nullable<Decimal>>)
Computes in parallel the sum of a sequence of values.
public:
[System::Runtime::CompilerServices::Extension]
static Nullable<System::Decimal> Sum(System::Linq::ParallelQuery<Nullable<System::Decimal>> ^ source);
public static decimal? Sum (this System.Linq.ParallelQuery<decimal?> source);
static member Sum : System.Linq.ParallelQuery<Nullable<decimal>> -> Nullable<decimal>
<Extension()>
Public Function Sum (source As ParallelQuery(Of Nullable(Of Decimal))) As Nullable(Of Decimal)
Parameters
- source
- ParallelQuery<Nullable<Decimal>>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
is a null reference (Nothing in Visual Basic).
The sum is larger than Decimal.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Single>)
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence.
public:
generic <typename TSource>
[System::Runtime::CompilerServices::Extension]
static float Sum(System::Linq::ParallelQuery<TSource> ^ source, Func<TSource, float> ^ selector);
public static float Sum<TSource> (this System.Linq.ParallelQuery<TSource> source, Func<TSource,float> selector);
static member Sum : System.Linq.ParallelQuery<'Source> * Func<'Source, single> -> single
<Extension()>
Public Function Sum(Of TSource) (source As ParallelQuery(Of TSource), selector As Func(Of TSource, Single)) As Single
Type Parameters
- TSource
The type of elements of source
.
Parameters
- source
- ParallelQuery<TSource>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
or selector
is a null reference (Nothing in Visual Basic).
The sum is larger than Single.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Decimal>)
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence.
public:
generic <typename TSource>
[System::Runtime::CompilerServices::Extension]
static System::Decimal Sum(System::Linq::ParallelQuery<TSource> ^ source, Func<TSource, System::Decimal> ^ selector);
public static decimal Sum<TSource> (this System.Linq.ParallelQuery<TSource> source, Func<TSource,decimal> selector);
static member Sum : System.Linq.ParallelQuery<'Source> * Func<'Source, decimal> -> decimal
<Extension()>
Public Function Sum(Of TSource) (source As ParallelQuery(Of TSource), selector As Func(Of TSource, Decimal)) As Decimal
Type Parameters
- TSource
The type of elements of source
.
Parameters
- source
- ParallelQuery<TSource>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
or selector
is a null reference (Nothing in Visual Basic).
The sum is larger than Decimal.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Double>)
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence.
public:
generic <typename TSource>
[System::Runtime::CompilerServices::Extension]
static double Sum(System::Linq::ParallelQuery<TSource> ^ source, Func<TSource, double> ^ selector);
public static double Sum<TSource> (this System.Linq.ParallelQuery<TSource> source, Func<TSource,double> selector);
static member Sum : System.Linq.ParallelQuery<'Source> * Func<'Source, double> -> double
<Extension()>
Public Function Sum(Of TSource) (source As ParallelQuery(Of TSource), selector As Func(Of TSource, Double)) As Double
Type Parameters
- TSource
The type of elements of source
.
Parameters
- source
- ParallelQuery<TSource>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
or selector
is a null reference (Nothing in Visual Basic).
The sum is larger than Double.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Int32>)
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence.
public:
generic <typename TSource>
[System::Runtime::CompilerServices::Extension]
static int Sum(System::Linq::ParallelQuery<TSource> ^ source, Func<TSource, int> ^ selector);
public static int Sum<TSource> (this System.Linq.ParallelQuery<TSource> source, Func<TSource,int> selector);
static member Sum : System.Linq.ParallelQuery<'Source> * Func<'Source, int> -> int
<Extension()>
Public Function Sum(Of TSource) (source As ParallelQuery(Of TSource), selector As Func(Of TSource, Integer)) As Integer
Type Parameters
- TSource
The type of elements in the source sequence.
Parameters
- source
- ParallelQuery<TSource>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
or selector
is a null reference (Nothing in Visual Basic).
The sum is larger than Int32.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Int64>)
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence.
public:
generic <typename TSource>
[System::Runtime::CompilerServices::Extension]
static long Sum(System::Linq::ParallelQuery<TSource> ^ source, Func<TSource, long> ^ selector);
public static long Sum<TSource> (this System.Linq.ParallelQuery<TSource> source, Func<TSource,long> selector);
static member Sum : System.Linq.ParallelQuery<'Source> * Func<'Source, int64> -> int64
<Extension()>
Public Function Sum(Of TSource) (source As ParallelQuery(Of TSource), selector As Func(Of TSource, Long)) As Long
Type Parameters
- TSource
The type of elements of source
.
Parameters
- source
- ParallelQuery<TSource>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
or selector
is a null reference (Nothing in Visual Basic).
The sum is larger than Int64.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Nullable<Decimal>>)
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence.
public:
generic <typename TSource>
[System::Runtime::CompilerServices::Extension]
static Nullable<System::Decimal> Sum(System::Linq::ParallelQuery<TSource> ^ source, Func<TSource, Nullable<System::Decimal>> ^ selector);
public static decimal? Sum<TSource> (this System.Linq.ParallelQuery<TSource> source, Func<TSource,decimal?> selector);
static member Sum : System.Linq.ParallelQuery<'Source> * Func<'Source, Nullable<decimal>> -> Nullable<decimal>
<Extension()>
Public Function Sum(Of TSource) (source As ParallelQuery(Of TSource), selector As Func(Of TSource, Nullable(Of Decimal))) As Nullable(Of Decimal)
Type Parameters
- TSource
The type of elements of source
.
Parameters
- source
- ParallelQuery<TSource>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
or selector
is a null reference (Nothing in Visual Basic).
The sum is larger than Decimal.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Nullable<Double>>)
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence.
public:
generic <typename TSource>
[System::Runtime::CompilerServices::Extension]
static Nullable<double> Sum(System::Linq::ParallelQuery<TSource> ^ source, Func<TSource, Nullable<double>> ^ selector);
public static double? Sum<TSource> (this System.Linq.ParallelQuery<TSource> source, Func<TSource,double?> selector);
static member Sum : System.Linq.ParallelQuery<'Source> * Func<'Source, Nullable<double>> -> Nullable<double>
<Extension()>
Public Function Sum(Of TSource) (source As ParallelQuery(Of TSource), selector As Func(Of TSource, Nullable(Of Double))) As Nullable(Of Double)
Type Parameters
- TSource
The type of elements of source
.
Parameters
- source
- ParallelQuery<TSource>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
or selector
is a null reference (Nothing in Visual Basic).
The sum is larger than Double.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Nullable<Int32>>)
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence.
public:
generic <typename TSource>
[System::Runtime::CompilerServices::Extension]
static Nullable<int> Sum(System::Linq::ParallelQuery<TSource> ^ source, Func<TSource, Nullable<int>> ^ selector);
public static int? Sum<TSource> (this System.Linq.ParallelQuery<TSource> source, Func<TSource,int?> selector);
static member Sum : System.Linq.ParallelQuery<'Source> * Func<'Source, Nullable<int>> -> Nullable<int>
<Extension()>
Public Function Sum(Of TSource) (source As ParallelQuery(Of TSource), selector As Func(Of TSource, Nullable(Of Integer))) As Nullable(Of Integer)
Type Parameters
- TSource
The type of elements of source
.
Parameters
- source
- ParallelQuery<TSource>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
or selector
is a null reference (Nothing in Visual Basic).
The sum is larger than Int32.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Nullable<Int64>>)
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence.
public:
generic <typename TSource>
[System::Runtime::CompilerServices::Extension]
static Nullable<long> Sum(System::Linq::ParallelQuery<TSource> ^ source, Func<TSource, Nullable<long>> ^ selector);
public static long? Sum<TSource> (this System.Linq.ParallelQuery<TSource> source, Func<TSource,long?> selector);
static member Sum : System.Linq.ParallelQuery<'Source> * Func<'Source, Nullable<int64>> -> Nullable<int64>
<Extension()>
Public Function Sum(Of TSource) (source As ParallelQuery(Of TSource), selector As Func(Of TSource, Nullable(Of Long))) As Nullable(Of Long)
Type Parameters
- TSource
The type of elements of source
.
Parameters
- source
- ParallelQuery<TSource>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
or selector
is a null reference (Nothing in Visual Basic).
The sum is larger than Int64.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.
See also
Applies to
Sum<TSource>(ParallelQuery<TSource>, Func<TSource,Nullable<Single>>)
Computes in parallel the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence.
public:
generic <typename TSource>
[System::Runtime::CompilerServices::Extension]
static Nullable<float> Sum(System::Linq::ParallelQuery<TSource> ^ source, Func<TSource, Nullable<float>> ^ selector);
public static float? Sum<TSource> (this System.Linq.ParallelQuery<TSource> source, Func<TSource,float?> selector);
static member Sum : System.Linq.ParallelQuery<'Source> * Func<'Source, Nullable<single>> -> Nullable<single>
<Extension()>
Public Function Sum(Of TSource) (source As ParallelQuery(Of TSource), selector As Func(Of TSource, Nullable(Of Single))) As Nullable(Of Single)
Type Parameters
- TSource
The type of elements of source
.
Parameters
- source
- ParallelQuery<TSource>
A sequence of values to calculate the sum of.
Returns
The sum of the projected values in the sequence.
Exceptions
The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).
source
or selector
is a null reference (Nothing in Visual Basic).
The sum is larger than Single.MaxValue. -or- One or more exceptions occurred during the evaluation of the query.