- CLASSNAME( size_type hint = 100, hasher hf = hasher(), key_equal eq = key_equal() ) \
- : CLASSNAME##_wxImplementation_HashTable( hint, hf, eq, CLASSNAME##_wxImplementation_KeyEx() ) {} \
+ wxEXPLICIT CLASSNAME( size_type hint = 100, hasher hf = hasher(), \
+ key_equal eq = key_equal() ) \
+ : CLASSNAME##_wxImplementation_HashTable( hint, hf, eq, \
+ CLASSNAME##_wxImplementation_KeyEx() ) {} \