public static ParameterExpression Variable(Type type, string name)
{
ContractUtils.RequiresNotNull(type, "type");
ContractUtils.Requires(type != typeof(void), "type", Strings.ArgumentCannotBeOfTypeVoid);
ContractUtils.Requires(!type.IsByRef, "type", Strings.TypeMustNotBeByRef);
return(ParameterExpression.Make(type, name, false));
}
/// <summary>
/// Creates a <see cref="ParameterExpression"/> node that can be used to identify a parameter or a variable in an expression tree.
/// </summary>
/// <param name="type">The type of the parameter or variable.</param>
/// <param name="name">The name of the parameter or variable, used for debugging or pretty printing purpose only.</param>
/// <returns>A <see cref="ParameterExpression"/> node with the specified name and type.</returns>
public static ParameterExpression Variable(Type type, string name)
{
Validate(type);
if (type.IsByRef)
{
throw Error.TypeMustNotBeByRef(nameof(type));
}
return(ParameterExpression.Make(type, name, isByRef: false));
}
/// <summary>
/// Creates a <see cref="ParameterExpression"/> node that can be used to identify a parameter or a variable in an expression tree.
/// </summary>
/// <param name="type">The type of the parameter or variable.</param>
/// <param name="name">The name of the parameter or variable, used for debugging or pretty printing purpose only.</param>
/// <returns>A <see cref="ParameterExpression"/> node with the specified name and type.</returns>
public static ParameterExpression Parameter(Type type, string?name)
{
Validate(type, allowByRef: true);
bool byref = type.IsByRef;
if (byref)
{
type = type.GetElementType() !;
}
return(ParameterExpression.Make(type, name, byref));
}
/// <summary>
/// Creates a <see cref="ParameterExpression" /> node that can be used to identify a parameter or a variable in an
/// expression tree.
/// </summary>
/// <param name="type">The type of the parameter or variable.</param>
/// <param name="name">The name of the parameter or variable, used for debugging or pretty printing purpose only.</param>
/// <returns>A <see cref="ParameterExpression" /> node with the specified name and type.</returns>
public static ParameterExpression Parameter(Type type, string name)
{
Validate(type, true);
var byref = type.IsByRef;
if (byref)
{
type = type.GetElementType();
}
return(ParameterExpression.Make(type, name, byref));
}
/// <summary>
/// Creates a <see cref="ParameterExpression" /> node that can be used to identify a parameter or a variable in an expression tree.
/// </summary>
/// <param name="type">The type of the parameter or variable.</param>
/// <param name="name">The name of the parameter or variable, used for debugging or pretty printing purpose only.</param>
/// <returns>A <see cref="ParameterExpression" /> node with the specified name and type.</returns>
public static ParameterExpression Variable(Type type, string name)
{
ContractUtils.RequiresNotNull(type, "type");
if (type == typeof(void))
{
throw Error.ArgumentCannotBeOfTypeVoid();
}
if (type.IsByRef)
{
throw Error.TypeMustNotBeByRef();
}
return(ParameterExpression.Make(type, name, false));
}
/// <summary>
/// Creates a <see cref="ParameterExpression" /> node that can be used to identify a parameter or a variable in an expression tree.
/// </summary>
/// <param name="type">The type of the parameter or variable.</param>
/// <param name="name">The name of the parameter or variable, used for debugging or pretty printing purpose only.</param>
/// <returns>A <see cref="ParameterExpression" /> node with the specified name and type.</returns>
public static ParameterExpression Parameter(Type type, string name)
{
ContractUtils.RequiresNotNull(type, "type");
if (type == typeof(void))
{
throw Error.ArgumentCannotBeOfTypeVoid();
}
bool byref = type.IsByRef;
if (byref)
{
type = type.GetElementType();
}
return(ParameterExpression.Make(type, name, byref));
}
/// <summary>
/// Creates a <see cref="ParameterExpression"/> node that can be used to identify a parameter or a variable in an expression tree.
/// </summary>
/// <param name="type">The type of the parameter or variable.</param>
/// <param name="name">The name of the parameter or variable, used for debugging or pretty printing purpose only.</param>
/// <returns>A <see cref="ParameterExpression"/> node with the specified name and type.</returns>
public static ParameterExpression Variable(Type type, string name)
{
ContractUtils.RequiresNotNull(type, nameof(type));
TypeUtils.ValidateType(type, nameof(type));
if (type == typeof(void))
{
throw Error.ArgumentCannotBeOfTypeVoid(nameof(type));
}
if (type.IsByRef)
{
throw Error.TypeMustNotBeByRef(nameof(type));
}
if (type.IsPointer)
{
throw Error.TypeMustNotBePointer(nameof(type));
}
return(ParameterExpression.Make(type, name, isByRef: false));
}
/// <summary>
/// Creates a <see cref="ParameterExpression" /> node that can be used to identify a parameter or a variable in an
/// expression tree.
/// </summary>
/// <param name="type">The type of the parameter or variable.</param>
/// <param name="name">The name of the parameter or variable, used for debugging or pretty printing purpose only.</param>
/// <returns>A <see cref="ParameterExpression" /> node with the specified name and type.</returns>
public static ParameterExpression Parameter(Type type, string?name)
{
ContractUtils.RequiresNotNull(type, nameof(type));
Validate(type, true);
var elementType = type.GetElementType();
if (elementType == null)
{
return(ParameterExpression.Make(type, name, false));
}
var byref = type.IsByRef;
if (byref)
{
type = elementType;
}
return(ParameterExpression.Make(type, name, byref));
}
/// <summary>
/// Creates a <see cref="ParameterExpression" /> node that can be used to identify a parameter or a variable in an
/// expression tree.
/// </summary>
/// <param name="type">The type of the parameter or variable.</param>
/// <param name="name">The name of the parameter or variable, used for debugging or pretty printing purpose only.</param>
/// <returns>A <see cref="ParameterExpression" /> node with the specified name and type.</returns>
public static ParameterExpression Variable(Type type, string?name)
{
ContractUtils.RequiresNotNull(type, nameof(type));
Validate(type, false);
return(ParameterExpression.Make(type, name, false));
}
/// <summary>
/// Creates a <see cref="ParameterExpression"/> node that can be used to identify a parameter or a variable in an expression tree.
/// </summary>
/// <param name="type">The type of the parameter or variable.</param>
/// <param name="name">The name of the parameter or variable, used for debugging or pretty printing purpose only.</param>
/// <returns>A <see cref="ParameterExpression"/> node with the specified name and type.</returns>
public static ParameterExpression Variable(Type type, string?name)
{
Validate(type, allowByRef: false);
return(ParameterExpression.Make(type, name, isByRef: false));
}
/// <summary>
/// Creates a <see cref="ParameterExpression" /> node that can be used to identify a parameter or a variable in an
/// expression tree.
/// </summary>
/// <param name="type">The type of the parameter or variable.</param>
/// <param name="name">The name of the parameter or variable, used for debugging or pretty printing purpose only.</param>
/// <returns>A <see cref="ParameterExpression" /> node with the specified name and type.</returns>
public static ParameterExpression Variable(Type type, string name)
{
Validate(type, false);
return(ParameterExpression.Make(type, name, false));
}