[complement-svn] SF.net SVN: complement: [1466] trunk/complement/explore/inquiry/STLport

[<com...@us...>]

Revision: 1466
          http://svn.sourceforge.net/complement/?rev=1466&view=rev
Author:   complement
Date:     2006-12-29 05:24:41 -0800 (Fri, 29 Dec 2006)

Log Message:
-----------
function return: increment operator for POD and non-pod; memfunc

Added Paths:
-----------
    trunk/complement/explore/inquiry/STLport/mem_func/
    trunk/complement/explore/inquiry/STLport/mem_func/Makefile
    trunk/complement/explore/inquiry/STLport/mem_func/Makefile.inc
    trunk/complement/explore/inquiry/STLport/mem_func/mm.cc
    trunk/complement/explore/inquiry/STLport/tmp_iter/
    trunk/complement/explore/inquiry/STLport/tmp_iter/Makefile
    trunk/complement/explore/inquiry/STLport/tmp_iter/Makefile.inc
    trunk/complement/explore/inquiry/STLport/tmp_iter/test.cc


Property changes on: trunk/complement/explore/inquiry/STLport/mem_func
___________________________________________________________________
Name: svn:ignore
   + obj


Added: trunk/complement/explore/inquiry/STLport/mem_func/Makefile
===================================================================
--- trunk/complement/explore/inquiry/STLport/mem_func/Makefile	                        (rev 0)
+++ trunk/complement/explore/inquiry/STLport/mem_func/Makefile	2006-12-29 13:24:41 UTC (rev 1466)
@@ -0,0 +1,10 @@
+# -*- Makefile -*- Time-stamp: <03/07/09 18:08:47 ptr>
+
+SRCROOT := ../../..
+COMPILER_NAME := gcc
+
+include Makefile.inc
+include ${SRCROOT}/Makefiles/top.mak
+
+LDFLAGS += -Wl,-rpath=$(STLPORT_LIB_DIR)
+

Added: trunk/complement/explore/inquiry/STLport/mem_func/Makefile.inc
===================================================================
--- trunk/complement/explore/inquiry/STLport/mem_func/Makefile.inc	                        (rev 0)
+++ trunk/complement/explore/inquiry/STLport/mem_func/Makefile.inc	2006-12-29 13:24:41 UTC (rev 1466)
@@ -0,0 +1,4 @@
+# -*- makefile -*- Time-stamp: <02/07/14 14:03:13 ptr>
+
+PRGNAME = test
+SRC_CC = mm.cc

Added: trunk/complement/explore/inquiry/STLport/mem_func/mm.cc
===================================================================
--- trunk/complement/explore/inquiry/STLport/mem_func/mm.cc	                        (rev 0)
+++ trunk/complement/explore/inquiry/STLport/mem_func/mm.cc	2006-12-29 13:24:41 UTC (rev 1466)
@@ -0,0 +1,39 @@
+#include <iostream>
+#include <string>
+#include <vector>
+#include <functional>
+#include <algorithm>
+
+class Person
+{ 
+  private: 
+    std::string name;
+
+  public: 
+    //... 
+    void print () const
+      { std::cout << name << std::endl; }
+
+    void printWithPrefix (std::string prefix) const
+      { std::cout << prefix << name << std::endl; }
+};
+ 
+void foo (const std::vector<Person>& coll) 
+{ 
+  using std::for_each; 
+  using std::bind2nd; 
+  using std::mem_fun_ref; 
+ 
+   // call member function print() for each element 
+  for_each( coll.begin(), coll.end(), mem_fun_ref(&Person::print) );
+ 
+  // call member function printWithPrefix() for each element 
+  // - "person: " is passed as an argument to the member function 
+  for_each( coll.begin(), coll.end(), bind2nd(mem_fun_ref(&Person::printWithPrefix), "person: ") );
+  for_each( coll.begin(), coll.end(), bind2nd(mem_fun_ref(&Person::printWithPrefix), std::string("person: ") ) );
+}
+
+int main()
+{
+  return 0;
+}


Property changes on: trunk/complement/explore/inquiry/STLport/tmp_iter
___________________________________________________________________
Name: svn:ignore
   + obj


Added: trunk/complement/explore/inquiry/STLport/tmp_iter/Makefile
===================================================================
--- trunk/complement/explore/inquiry/STLport/tmp_iter/Makefile	                        (rev 0)
+++ trunk/complement/explore/inquiry/STLport/tmp_iter/Makefile	2006-12-29 13:24:41 UTC (rev 1466)
@@ -0,0 +1,10 @@
+# -*- Makefile -*- Time-stamp: <03/07/09 18:08:47 ptr>
+
+SRCROOT := ../../..
+COMPILER_NAME := gcc
+
+include Makefile.inc
+include ${SRCROOT}/Makefiles/top.mak
+
+LDFLAGS += -Wl,-rpath=$(STLPORT_LIB_DIR)
+

Added: trunk/complement/explore/inquiry/STLport/tmp_iter/Makefile.inc
===================================================================
--- trunk/complement/explore/inquiry/STLport/tmp_iter/Makefile.inc	                        (rev 0)
+++ trunk/complement/explore/inquiry/STLport/tmp_iter/Makefile.inc	2006-12-29 13:24:41 UTC (rev 1466)
@@ -0,0 +1,4 @@
+# -*- makefile -*- Time-stamp: <02/07/14 14:03:13 ptr>
+
+PRGNAME = test
+SRC_CC = test.cc

Added: trunk/complement/explore/inquiry/STLport/tmp_iter/test.cc
===================================================================
--- trunk/complement/explore/inquiry/STLport/tmp_iter/test.cc	                        (rev 0)
+++ trunk/complement/explore/inquiry/STLport/tmp_iter/test.cc	2006-12-29 13:24:41 UTC (rev 1466)
@@ -0,0 +1,67 @@
+/*
+end() return rvalue (Standard, 3.10 par. 5)
+
+If this is a POD, increment/decrement operators invalid in this context;
+If this is user-defined object, temporary object created from rvalue
+(Standard, 12.2; 6.6.3) and increment/decrement operators may be valid;
+
+Usage POD type for string iterator is effective and don't contradict to
+Standard.
+
+So the code
+
+char c = *(--s.end());
+
+is implementation-specific and that's why not good.
+
+[this is explanation why this code work if begin() return v, but not work
+when end() return char *; inspired by string::iterator]
+*/
+#include <string>
+
+using namespace std;
+
+class v
+{
+  public:
+    v& operator ++() { return *this; }
+};
+
+class vconst
+{
+  public:
+    vconst& operator ++() { return *this; }
+};
+
+
+class q
+{
+  public:
+    v begin()
+      { return v(); }
+
+    vconst begin() const
+      { return vconst(); }
+
+   char *end()
+      { return 0; }
+
+  private:
+};
+
+int main()
+{
+  q x;
+
+  ++x.begin();
+  ++x.end();
+
+  // string s( "123456" );
+
+  // --s.end();
+
+  // char c = *(--s.end());
+
+  return 0;
+}
+


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.