Provides a cast trait that strips const from types to make it easier to implement a const-version of a non-const cast.
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#include "llvm/Support/Casting.h"
Inheritance diagram for llvm::ConstStrippingForwardingCast< To, From, ForwardTo >:
Public Types | |
| using | DecayedFrom = std::remove_cv_t< std::remove_pointer_t< From > > |
| using | NonConstFrom = std::conditional_t< std::is_pointer_v< From >, DecayedFrom *, DecayedFrom & > |
Static Public Member Functions | |
| static bool | isPossible (const From &f) |
| static decltype(auto) | castFailed () |
| static decltype(auto) | doCast (const From &f) |
| static decltype(auto) | doCastIfPossible (const From &f) |
Detailed Description
template<typename To, typename From, typename ForwardTo>
struct llvm::ConstStrippingForwardingCast< To, From, ForwardTo >
struct llvm::ConstStrippingForwardingCast< To, From, ForwardTo >
Provides a cast trait that strips const from types to make it easier to implement a const-version of a non-const cast.
It just removes boilerplate and reduces the amount of code you as the user need to implement. You can use it like this:
template<> struct CastInfo<foo, bar> { ...verbose implementation... };
template<> struct CastInfo<foo, const bar> : public ConstStrippingForwardingCast<foo, const bar, CastInfo<foo, bar>> {};
Member Typedef Documentation
◆ DecayedFrom
template<typename To , typename From , typename ForwardTo >
| using llvm::ConstStrippingForwardingCast< To, From, ForwardTo >::DecayedFrom = std::remove_cv_t<std::remove_pointer_t<From> > |
◆ NonConstFrom
template<typename To , typename From , typename ForwardTo >
| using llvm::ConstStrippingForwardingCast< To, From, ForwardTo >::NonConstFrom = std::conditional_t<std::is_pointer_v<From>, DecayedFrom *, DecayedFrom &> |
Member Function Documentation
◆ castFailed()
template<typename To , typename From , typename ForwardTo >
|
inlinestatic |
◆ doCast()
template<typename To , typename From , typename ForwardTo >
|
inlinestatic |
◆ doCastIfPossible()
template<typename To , typename From , typename ForwardTo >
|
inlinestatic |
◆ isPossible()
The documentation for this struct was generated from the following file:
- include/llvm/Support/Casting.h
