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

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


Type: 'T -> bool

The function to test set elements.


Type: Set<'T>

The input set.

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

F# Core Library Versions

Supported in: 2.0, 4.0, Portable

Was this page helpful?
(1500 characters remaining)
Thank you for your feedback
© 2015 Microsoft