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

  • Статья

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 7, Windows Vista SP2, Windows XP SP3, Windows XP x64 SP2, Windows Server 2008 R2, Windows Server 2008 SP2, Windows Server 2003 SP2

Version Information

F# Runtime

Supported in: 2.0, 4.0

Silverlight

Supported in: 3

See Also

Reference

Quotations.ExprShape Module (F#)

Microsoft.FSharp.Quotations Namespace (F#)