ExprShape.ShapeVar|ShapeLambda|ShapeCombination Active Pattern (F#)

  • Article

An active pattern that performs a complete decomposition viewing the expression tree as a binding structure.

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

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

// Signature:
( |ShapeVar|ShapeLambda|ShapeCombination| ) : (input:Expr) -> Choice<Var,(Var * Expr),(obj * Expr list)>

Parameters

  • input
    Type: Expr

    The input expression.

Return Value

The decomposed Var, Lambda, or ConstApp.

Remarks

This function is named ShapePattern in compiled assemblies. If you are accessing the function from a language other than F#, or through reflection, use this name.

Platforms

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

Reference

Quotations.ExprShape Module (F#)

Microsoft.FSharp.Quotations Namespace (F#)