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

A query operator that determines whether the selected elements contain a specified element.

Namespace/Module Path: Microsoft.FSharp.Linq

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

// Signature:
member this.Contains : QuerySource<'T,'Q> * 'T -> bool

// Usage:
queryBuilder.Contains (source, key)

Parameters

• source
  Type: QuerySource<'T,'Q>

  The input query.

• key
  Type: 'T

  The element to search for.

Return Value

true if the specified element is found.

Remarks

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

Platforms

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

Version Information

F# Core Library Versions

Supported in: 4.0, Portable

See Also

Reference

Linq.QueryBuilder Class (F#)

Microsoft.FSharp.Linq Namespace (F#)

Query Expressions (F#)