Challenge

[Manu via Digitalmars-d]

Fill in the blank...
I'm having a really hard time with this. I've made it work with a
mountain of code, and I want to see what others come up with...

If you succeed, put it in std.traits!

Recommend, use latest DMD nightly. I find differences with latest
nightly vs release.

-------------------------------------------------------------------------------
template isStaticMember(T, string member)
{
  enum bool isStaticMember = [code goes here];
}


struct S
{
  enum X = 10;
  enum Y
  {
    i = 10
  }
  struct S {}
  class C {}

  static int x = 0;
  __gshared int y = 0;
  static void f() {}
  static void f2() pure nothrow @nogc @safe {}

  shared void g() {}

  static void function() fp;
  __gshared void function() gfp;
  void function() fpm;

  void m() {}
  final void m2() const pure nothrow @nogc @safe {}

  inout(int) iom() inout { return 10; }
  static inout(int) iosf(inout int x) { return x; }

  @property int p() { return 10; }
  static @property int sp() { return 10; }
}

class C
{
  enum X = 10;
  enum Y
  {
    i = 10
  }
  struct S {}
  class C {}

  static int x = 0;
  __gshared int y = 0;
  static void f() {}
  static void f2() pure nothrow @nogc @safe {}

  shared void g() {}

  static void function() fp;
  __gshared void function() gfp;
  void function() fpm;

  void m() {}
  final void m2() const pure nothrow @nogc @safe {}

  inout(int) iom() inout { return 10; }
  static inout(int) iosf(inout int x) { return x; }

  @property int p() { return 10; }
  static @property int sp() { return 10; }
}

static assert(!isStaticMember!(S, "X"), "!");
static assert(!isStaticMember!(S, "Y"), "!");
static assert(!isStaticMember!(S, "Y.i"), "!");
static assert(!isStaticMember!(S, "S"), "!");
static assert(!isStaticMember!(S, "C"), "!");
static assert( isStaticMember!(S, "x"), "!");
static assert( isStaticMember!(S, "y"), "!");
static assert( isStaticMember!(S, "f"), "!");
static assert( isStaticMember!(S, "f2"), "!");
static assert(!isStaticMember!(S, "g"), "!");
static assert( isStaticMember!(S, "fp"), "!");
static assert( isStaticMember!(S, "gfp"), "!");
static assert(!isStaticMember!(S, "fpm"), "!");
static assert(!isStaticMember!(S, "m"), "!");
static assert(!isStaticMember!(S, "m2"), "!");
static assert(!isStaticMember!(S, "iom"), "!");
static assert( isStaticMember!(S, "iosm"), "!");
static assert(!isStaticMember!(S, "p"), "!");
static assert( isStaticMember!(S, "sp"), "!");

static assert(!isStaticMember!(C, "X"), "!");
static assert(!isStaticMember!(C, "Y"), "!");
static assert(!isStaticMember!(C, "Y.i"), "!");
static assert(!isStaticMember!(C, "S"), "!");
static assert(!isStaticMember!(C, "C"), "!");
static assert( isStaticMember!(C, "x"), "!");
static assert( isStaticMember!(C, "y"), "!");
static assert( isStaticMember!(C, "f"), "!");
static assert( isStaticMember!(C, "f2"), "!");
static assert(!isStaticMember!(C, "g"), "!");
static assert( isStaticMember!(C, "fp"), "!");
static assert( isStaticMember!(C, "gfp"), "!");
static assert(!isStaticMember!(C, "fpm"), "!");
static assert(!isStaticMember!(C, "m"), "!");
static assert(!isStaticMember!(C, "m2"), "!");
static assert(!isStaticMember!(C, "iom"), "!");
static assert( isStaticMember!(C, "iosm"), "!");
static assert(!isStaticMember!(C, "p"), "!");
static assert( isStaticMember!(C, "sp"), "!");