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QueryBuilder.SortByNullable<'T,'Q,'Key> Method (F#)

Den Delimarsky|Last Updated: 8/18/2017
1 Contributor

A query operator that sorts the elements selected so far in ascending order by the given nullable sorting key.

Namespace/Module Path: Microsoft.FSharp.Linq

Assembly: FSharp.Core (in FSharp.Core.dll)


// Signature:
member this.SortByNullable : QuerySource<'T,'Q> * ('T -> Nullable<'Key>) -> QuerySource<'T,'Q> when 'Key : (IComparable) and 'Key : (new : unit ->  'Key) and 'Key : struct and 'Key :> ValueType

// Usage:
queryBuilder.SortByNullable (source, keySelector)


source Type: QuerySource<'T,'Q>

The input query.

keySelector Type: 'T -> System.Nullable`1<'Key>

Specifies the field to sort by.

Return Value

The sorted query.


For more information and examples, see Query Expressions (F#).


Windows 8, Windows 7, Windows Server 2012, Windows Server 2008 R2

Version Information

F# Core Library Versions

Supported in: 4.0, Portable

See Also

Linq.QueryBuilder Class (F#)

Microsoft.FSharp.Linq Namespace (F#)

Query Expressions (F#)

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