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

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

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


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

The accumulating function.

set Type: Set<'T>

The input set.

state Type: 'State

The initial state.

Return Value

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

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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