is-a.h File Reference

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Data Structures
struct	is_a_helper< T >

Functions
template<typename T , typename U >
bool	is_a ()
template<typename T , typename U >
T *	as_a ()
template<typename T , typename U >
T *	dyn_cast ()

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Function Documentation

template<typename T , typename U >

T* as_a ( )

inline

A generic conversion from a base type U to a derived type T.  See the
   discussion above for when to use this function.   

template<typename T , typename U >

T* dyn_cast ( )

inline

A generic checked conversion from a base type U to a derived type T.  See
   the discussion above for when to use this function.   

References T.

Referenced by analyze_functions(), cgraph_node_for_asm(), inline_write_summary(), insert_to_assembler_name_hash(), ipa_reference_write_optimization_summary(), lto_output(), lto_output_ref(), lto_symtab_merge_symbols_1(), output_cgraph_opt_summary(), output_symbol_p(), referred_to_p(), symtab_remove_unreachable_nodes(), unlink_from_assembler_name_hash(), varpool_node_for_asm(), and varpool_remove_unreferenced_decls().

template<typename T , typename U >

bool is_a ( )

inline

The public interface.   

A generic test for a type relationship.  See the discussion above for when
   to use this function.  The question answered is "Is type T a derived type of
   type U?".   

References is_a_helper< T >::test().