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

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

Tests if all elements of the collection satisfy the given predicate. If the input function is f and the elements are i0...iN then computes p i0 && ... && p iN.

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

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


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

// Usage:
Set.forall predicate set


predicate Type: 'T ->bool

The function to test set elements.

set Type: Set<'T>

The input set.

Return Value

true if all elements of set satisfy predicate. Otherwise, returns false.


This function is named ForAll 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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