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Patterns.ForIntegerRangeLoop Active Pattern (F#)

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

Recognizes expressions that represent looping operations over integer ranges.

Namespace/Module Path: Microsoft.FSharp.Quotations.Patterns

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


// Signature:
( |ForIntegerRangeLoop|_| ) : (input:Expr) -> (Var * Expr * Expr * Expr) option


input Type: Expr

The input expression to match against.

Return Value

The formal return type is (Var * Expr * Expr * Expr) option. The option indicates whether there is a match to this pattern. In a pattern matching expression, the input is decomposed into a tuple of four elements upon a successful match. The first element represents the loop variable as a Var object, the second and third elements represent the beginning and ending of the range, and the last element represents the body of the loop.


This function is named ForIntegerRangeLoopPattern in the .NET Framework assembly. If you are accessing the member from a .NET Framework 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

Quotations.Patterns Module (F#)

Microsoft.FSharp.Quotations Namespace (F#)

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