public static String GetCSharpTypeArgsClause(this MethodInfo mi)
{
Func<Type, IEnumerable<Type>> ogargs = t =>
t.Flatten(t1 => t1.XGetGenericArguments()).Where(garg => garg.IsGenericParameter);
var involvedTypes = mi.Args().Concat(mi.ReturnType).Concat(mi.DeclaringType);
var m_ogargs = involvedTypes.SelectMany(ogargs).Distinct().ToArray();
return GetCSharpTypeArgsClause(m_ogargs);
}
public static int Argc(this MethodInfo mi)
{
return mi.Args().Count();
}
public static Type ToFunc(this Type ftype, Func<IEnumerable<Type>, IEnumerable<Type>> xform, Type ret)
{
ftype.IsFType().AssertTrue();
return xform(ftype.Args()).ToFunc(ret);
}
public static Type ToFunc(this Type ftype, Func<Type, bool> argFilter, Type ret)
{
ftype.IsFType().AssertTrue();
return ftype.Args().Where(argFilter).ToFunc(ret);
}
public static String GetCSharpTypeConstraintsClause(this MethodInfo mi)
{
Func<Type, IEnumerable<Type>> ogargs = t =>
t.Flatten(t1 => t1.XGetGenericArguments()).Where(garg => garg.IsGenericParameter);
var m_ogargs = mi.Args().Concat(mi.ReturnType).SelectMany(ogargs).Distinct().ToArray();
return m_ogargs.Select(ogarg => ogarg.GetCSharpTypeConstraintsClause()).StringJoin(Environment.NewLine);
}