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Set.foldBack<'T,'State> Function (F#)

Applies the given accumulating function to all the elements of the set.

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

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

// Signature:
Set.foldBack : ('T -> 'State -> 'State) -> Set<'T> -> 'State -> 'State (requires comparison)

// Usage:
Set.foldBack folder set state


Type: 'T -> 'State -> 'State

The accumulating function.


Type: Set<'T>

The input set.


Type: 'State

The initial state.

The final state.

This function is named FoldBack 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

© 2015 Microsoft