[Assorted-commits] SF.net SVN: assorted:[1495] sandbox/trunk/src/cc

[<yan...@us...>]

Revision: 1495
          http://assorted.svn.sourceforge.net/assorted/?rev=1495&view=rev
Author:   yangzhang
Date:     2009-11-03 17:16:07 +0000 (Tue, 03 Nov 2009)

Log Message:
-----------
added gcc 4.4 c++0x demos

Added Paths:
-----------
    sandbox/trunk/src/cc/inference.cc
    sandbox/trunk/src/cc/init_lists.cc

Added: sandbox/trunk/src/cc/inference.cc
===================================================================
--- sandbox/trunk/src/cc/inference.cc	                        (rev 0)
+++ sandbox/trunk/src/cc/inference.cc	2009-11-03 17:16:07 UTC (rev 1495)
@@ -0,0 +1,21 @@
+#include <iostream>
+#include <map>
+#include <vector>
+using namespace std;
+
+int main() {
+  auto x = 2;
+  cout << x << endl;
+
+  auto xs = vector<int>({0,1,2,3});
+  cout << xs[2] << endl;
+
+  const auto ys = xs;
+  // No need for:
+  // for (vector<int>::const_iterator y = xs.begin(); y != xs.end(); ++y) {
+  for (auto y = ys.begin(); y != ys.end(); ++y) {
+    cout << *y << endl;
+  }
+
+  return 0;
+}

Added: sandbox/trunk/src/cc/init_lists.cc
===================================================================
--- sandbox/trunk/src/cc/init_lists.cc	                        (rev 0)
+++ sandbox/trunk/src/cc/init_lists.cc	2009-11-03 17:16:07 UTC (rev 1495)
@@ -0,0 +1,41 @@
+#include <iostream>
+#include <map>
+#include <vector>
+using namespace std;
+
+void f(const vector<int> &xs) { cout << xs[2] << endl; }
+
+struct point {
+  point(int x, int y) : x(x), y(y) {}
+  int x, y;
+};
+
+struct point2 {
+  point2(initializer_list<int> xs) {
+    for (const int *p = xs.begin(); p != xs.end(); ++p) {
+      ys.push_back(*p);
+    }
+  }
+  vector<int> ys;
+};
+
+int main() {
+  vector<int> xs = {0, 1, 2, 3};
+  cout << xs[2] << endl;
+  cout << (vector<int>({0, 1, 2, 3}))[2] << endl;
+  f({0, 1, 2, 3});
+
+  point p = {2, 3};
+
+  point2 q = {0, 1, 2, 3};
+  cout << q.ys[2] << endl;
+
+  // causes a segfault in gcc 4.4.1
+  map<int, pair<int, int>> m = {{0, {0, 0}},
+                                {1, {1, 1}},
+                                {2, {2, 2}},
+                                {3, {3, 3}}};
+  cout << m[2].first << endl;
+
+  return 0;
+}


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