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Expr.Substitute Method (F#)

Visual Studio 2012

Substitutes through the given expression using the given functions to map variables to new values. The functions must give consistent results at each application. Variable renaming may occur on the target expression if variable capture occurs.

Namespace/Module Path: Microsoft.FSharp.Quotations

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

Copy 
// Signature:
member this.Substitute : (Var -> Expr option) -> Expr

// Usage:
expr.Substitute (substitution)
substitution

Type: Var -> Expr

The function to map variables into expressions.

The expression with the given substitutions.

Windows 8, Windows 7, Windows Server 2012, Windows Server 2008 R2

F# Core Library Versions

Supported in: 2.0, 4.0, Portable

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