Fix lots of warnings reported by Clang.

Mostly potentially lossy implicit conversions in headers (long->int). Also dangling else warnings. Struct/class mismatches.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74473 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/hashmap.h

@@ -483,8 +483,9 @@ inline bool grow_lf70( size_t buckets, size_t items )
 #ifndef wxNEEDS_WX_HASH_MAP
 
 // integer types
-class WXDLLIMPEXP_BASE wxIntegerHash
+struct WXDLLIMPEXP_BASE wxIntegerHash
 {
+private:
     WX_HASH_MAP_NAMESPACE::hash<long> longHash;
     WX_HASH_MAP_NAMESPACE::hash<unsigned long> ulongHash;
     WX_HASH_MAP_NAMESPACE::hash<int> intHash;
@@ -527,9 +528,8 @@ public:
 #else // wxNEEDS_WX_HASH_MAP
 
 // integer types
-class WXDLLIMPEXP_BASE wxIntegerHash
+struct WXDLLIMPEXP_BASE wxIntegerHash
 {
-public:
     wxIntegerHash() { }
     unsigned long operator()( long x ) const { return (unsigned long)x; }
     unsigned long operator()( unsigned long x ) const { return x; }
@@ -547,9 +547,8 @@ public:
 
 #endif // !wxNEEDS_WX_HASH_MAP/wxNEEDS_WX_HASH_MAP
 
-class WXDLLIMPEXP_BASE wxIntegerEqual
+struct WXDLLIMPEXP_BASE wxIntegerEqual
 {
-public:
     wxIntegerEqual() { }
     bool operator()( long a, long b ) const { return a == b; }
     bool operator()( unsigned long a, unsigned long b ) const { return a == b; }
@@ -566,9 +565,8 @@ public:
 };
 
 // pointers
-class WXDLLIMPEXP_BASE wxPointerHash
+struct WXDLLIMPEXP_BASE wxPointerHash
 {
-public:
     wxPointerHash() { }
 
 #ifdef wxNEEDS_WX_HASH_MAP
@@ -580,9 +578,8 @@ public:
     wxPointerHash& operator=(const wxPointerHash&) { return *this; }
 };
 
-class WXDLLIMPEXP_BASE wxPointerEqual
+struct WXDLLIMPEXP_BASE wxPointerEqual
 {
-public:
     wxPointerEqual() { }
     bool operator()( const void* a, const void* b ) const { return a == b; }
 
@@ -590,9 +587,8 @@ public:
 };
 
 // wxString, char*, wchar_t*
-class WXDLLIMPEXP_BASE wxStringHash
+struct WXDLLIMPEXP_BASE wxStringHash
 {
-public:
     wxStringHash() {}
     unsigned long operator()( const wxString& x ) const
         { return stringHash( x.wx_str() ); }
@@ -616,9 +612,8 @@ public:
     wxStringHash& operator=(const wxStringHash&) { return *this; }
 };
 
-class WXDLLIMPEXP_BASE wxStringEqual
+struct WXDLLIMPEXP_BASE wxStringEqual
 {
-public:
     wxStringEqual() {}
     bool operator()( const wxString& a, const wxString& b ) const
         { return a == b; }