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

A query operator that determines whether all elements selected so far satisfy a condition.

Namespace/Module Path: Microsoft.FSharp.Linq

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

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

// Usage:
queryBuilder.All (source, predicate)


Type: QuerySource<'T,'Q>

The input query.


Type: 'T -> bool

A Boolean function to test the elements.

true if the provided Boolean function predicate evaluates to true for all elements selected so far.

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

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

F# Core Library Versions

Supported in: 4.0, Portable

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