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Expr.Substitute Method (F#)

Den Delimarsky|Last Updated: 7/4/2016
1 Contributor

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)


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

// Usage:
expr.Substitute (substitution)


substitution Type: Var->Expr

The function to map variables into expressions.

Return Value

The expression with the given substitutions.


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.Expr Class (F#)

Microsoft.FSharp.Quotations Namespace (F#)

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