Force unsigned division (shift) in lower/upper_bound

Author: msharov

ualgo.h

@@ -368,7 +368,7 @@ ForwardIterator lower_bound (ForwardIterator first, ForwardIterator last, const
 {
     ForwardIterator mid;
     while (first != last) {
-	mid = advance (first, distance (first,last) / 2);
+	mid = advance (first, size_t(distance (first,last)) / 2);
 	if (*mid < value)
 	    first = mid + 1;
 	else
@@ -396,7 +396,7 @@ ForwardIterator upper_bound (ForwardIterator first, ForwardIterator last, const
 {
     ForwardIterator mid;
     while (first != last) {
-	mid = advance (first, distance (first,last) / 2);
+	mid = advance (first, size_t(distance (first,last)) / 2);
 	if (value < *mid)
 	    last = mid;
 	else

upredalgo.h

@@ -207,7 +207,7 @@ ForwardIterator lower_bound (ForwardIterator first, ForwardIterator last, const
 {
     ForwardIterator mid;
     while (first != last) {
-	mid = advance (first, distance (first,last) / 2);
+	mid = advance (first, size_t(distance (first,last)) / 2);
 	if (comp (*mid, value))
 	    first = mid + 1;
 	else
@@ -237,7 +237,7 @@ ForwardIterator upper_bound (ForwardIterator first, ForwardIterator last, const
 {
     ForwardIterator mid;
     while (first != last) {
-	mid = advance (first, distance (first,last) / 2);
+	mid = advance (first, size_t(distance (first,last)) / 2);
 	if (comp (value, *mid))
 	    last = mid;
 	else

ustring.h

@@ -64,6 +64,7 @@ class string : public memblock {
     inline			string (const_pointer s, size_type len);
     inline			string (const_pointer s1, const_pointer s2);
 				string (size_type n, value_type c);
+    inline			~string (void) noexcept		{ }
     inline pointer		data (void)			{ return (string::pointer (memblock::data())); }
     inline const_pointer	data (void) const		{ return (string::const_pointer (memblock::data())); }
     inline const_pointer	c_str (void) const		{ return (string::const_pointer (memblock::cdata())); }