/// <summary>
/// Creates a <see cref="ConstantExpression"/> that has the <see cref="P:ConstantExpression.Value"/>
/// and <see cref="P:ConstantExpression.Type"/> properties set to the specified values. .
/// </summary>
/// <param name="value">An <see cref="System.Object"/> to set the <see cref="P:ConstantExpression.Value"/> property equal to.</param>
/// <param name="type">A <see cref="System.Type"/> to set the <see cref="P:Expression.Type"/> property equal to.</param>
/// <returns>
/// A <see cref="ConstantExpression"/> that has the <see cref="P:Expression.NodeType"/> property equal to
/// <see cref="F:ExpressionType.Constant"/> and the <see cref="P:ConstantExpression.Value"/> and
/// <see cref="P:Expression.Type"/> properties set to the specified values.
/// </returns>
public static ConstantExpression Constant(object value, Type type)
{
ContractUtils.RequiresNotNull(type, "type");
if (value == null && type.IsValueType && !TypeUtils.IsNullableType(type))
{
throw Error.ArgumentTypesMustMatch();
}
if (value != null && !type.IsAssignableFrom(value.GetType()))
{
throw Error.ArgumentTypesMustMatch();
}
return(ConstantExpression.Make(value, type));
}
public static ConstantExpression Constant(object value, XzaarType type)
{
return(ConstantExpression.Make(value, type));
}
public static ConstantExpression Constant(object value)
{
return(ConstantExpression.Make(value, value == null ? (XzaarType)typeof(object) : (XzaarType)value.GetType()));
}
