Class ReflectionHelpers

Provides various utilities for reflection.

Inheritance

System.Object

ReflectionHelpers

Namespace: System.Linq.CompilerServices

Assembly: Nuqleon.Linq.CompilerServices.dll

Syntax

public static class ReflectionHelpers : Object

Methods

InfoOf(Expression)

Gets the reflection member information from the top-level node in the body of the given lambda expression.

Declaration

public static MemberInfo InfoOf(Expression expression)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	expression	Lambda expression to extract reflection information from

Returns

Type	Description
System.Reflection.MemberInfo	Member information of the top-level node in the body of the lambda expression. An exception occurs if this node does not contain member information.

InfoOf(Expression<Action>)

Gets the reflection member information from the top-level node in the body of the given lambda expression.

Declaration

public static MemberInfo InfoOf(Expression<Action> expression)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression<System.Action>	expression	Lambda expression to extract reflection information from

Returns

Type	Description
System.Reflection.MemberInfo	Member information of the top-level node in the body of the lambda expression. An exception occurs if this node does not contain member information.

Examples

To obtain the MethodInfo for the "void Console::WriteLine()" overload, you can write:

(MethodInfo)ReflectionHelpers.InfoOf(() => Console.WriteLine())

InfoOf<T>(Expression<Action<T>>)

Gets the reflection member information from the top-level node in the body of the given lambda expression.

Declaration

public static MemberInfo InfoOf<T>(Expression<Action<T>> expression)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression<System.Action<T>>	expression	Lambda expression to extract reflection information from

Returns

Type	Description
System.Reflection.MemberInfo	Member information of the top-level node in the body of the lambda expression. An exception occurs if this node does not contain member information.

Type Parameters

Name	Description
T	Input type of the lambda.

Examples

To obtain the MethodInfo for the "void Console::WriteLine(string)" overload, you can write:

(MethodInfo)ReflectionHelpers.InfoOf((string s) => Console.WriteLine(s))

InfoOf<TResult>(Expression<Func<TResult>>)

Gets the reflection member information from the top-level node in the body of the given lambda expression.

Declaration

public static MemberInfo InfoOf<TResult>(Expression<Func<TResult>> expression)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression<System.Func<TResult>>	expression	Lambda expression to extract reflection information from

Returns

Type	Description
System.Reflection.MemberInfo	Member information of the top-level node in the body of the lambda expression. An exception occurs if this node does not contain member information.

Type Parameters

Name	Description
TResult	Return type of the lambda.

Examples

To obtain the PropertyInfo of "DateTime DateTime::Now { get; }", you can write:

(PropertyInfo)ReflectionHelpers.InfoOf(() => DateTime.Now)

InfoOf<T, TResult>(Expression<Func<T, TResult>>)

Gets the reflection member information from the top-level node in the body of the given lambda expression.

Declaration

public static MemberInfo InfoOf<T, TResult>(Expression<Func<T, TResult>> expression)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression<System.Func<T, TResult>>	expression	Lambda expression to extract reflection information from

Returns

Type	Description
System.Reflection.MemberInfo	Member information of the top-level node in the body of the lambda expression. An exception occurs if this node does not contain member information.

Type Parameters

Name	Description
T	Input type of the lambda.
TResult	Return type of the lambda.

Examples

To obtain the MethodInfo for the "int Math::Abs(int)" overload, you can write:

(MethodInfo)ReflectionHelpers.InfoOf((int x) => Math.Abs(x))