Changes in libcfa/src/bits/stack.hfa [7d4ce2a:19de7864]

File:

• libcfa/src/bits/stack.hfa (modified) (3 diffs)

libcfa/src/bits/stack.hfa

@@ -3 +3 @@
 #include "bits/collection.hfa"
 
-forall( dtype T ) {
+forall( dtype T | { T *& Next ( T * ); } ) {
         struct Stack {
                 inline Collection;                                                              // Plan 9 inheritance
@@ -44 +44 @@
                         T & t = head( s );
                         if ( root ) {
-                                root = ( T *)Next( root );
+                                root = ( T *)Next( (T *)root );
                                 if ( &head( s ) == &t ) root = 0p;              // only one element ?
                                 Next( &t ) = 0p;
@@ -58 +58 @@
 
 
-forall( dtype T ) {
+forall( dtype T | { T *& Next ( T * ); } ) {
         struct StackIter {
                 inline ColIter;                                                                 // Plan 9 inheritance