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

  • Article

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

Parameters

  • 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.

Remarks

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.

Platforms

Windows 7, Windows Vista SP2, Windows XP SP3, Windows XP x64 SP2, Windows Server 2008 R2, Windows Server 2008 SP2, Windows Server 2003 SP2

Version Information

F# Runtime

Supported in: 2.0, 4.0

Silverlight

Supported in: 3

See Also

Reference

Collections.Set Module (F#)

Microsoft.FSharp.Collections Namespace (F#)