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

Den Delimarsky|Last Updated: 7/25/2016
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.fold : ('State -> 'T -> 'State) -> 'State -> Set<'T> -> 'State (requires comparison)

// Usage:
Set.fold folder state set


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

The accumulating function.

state Type: 'State

The initial state.

set Type: Set<'T>

The input set.

Return Value

The final state.


This function is named Fold 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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