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Set.exists<'T> Function (F#)

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

Tests if any element of the collection satisfies the given predicate. If the input function is predicate and the elements are i0...iN, then this function computes p i0 or ... or p iN.

Namespace/Module Path: Microsoft.FSharp.Collections.Set

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


// Signature:
Set.exists : ('T -> bool) -> Set<'T> -> bool (requires comparison)

// Usage:
Set.exists predicate set


predicate Type: 'T ->bool

The function to test set elements.

set Type: Set<'T>

The input set.

Return Value

True if any element of set satisfies predicate.


This function is named Exists in compiled assemblies. If you are accessing the function from a language other than F#, or through reflection, use this name.


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

Version Information

F# Core Library Versions

Supported in: 2.0, 4.0, Portable

See Also

Collections.Set Module (F#)

Microsoft.FSharp.Collections Namespace (F#)

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