Class FreeVariableScanner
Finds free variables, represented as ParameterExpression nodes, in an expression tree.
Inheritance
System.Object
FreeVariableScanner
Namespace: System.Linq.CompilerServices
Assembly: Nuqleon.Linq.CompilerServices.dll
Syntax
public static class FreeVariableScanner : ObjectMethods
HasFreeVariables(Expression)
Checks whether the given expression has free variables.
Declaration
public static bool HasFreeVariables(Expression expression)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression | Expression to scan. |
Returns
| Type | Description |
|---|---|
| System.Boolean | true if one or more free variables have been found; otherwise, false. |
Scan(Expression)
Scans the given expression for free variables.
Declaration
public static IEnumerable<ParameterExpression> Scan(Expression expression)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression | Expression to scan. |
Returns
| Type | Description |
|---|---|
| System.Collections.Generic.IEnumerable<System.Linq.Expressions.ParameterExpression> | Sequence of free variables in the given expression. The resulting expressions are distinct and returned in no particular order. |