Meta-function that yields a place-holder bit-mask for a bound type.
Declared in <bdlf_bind.h>
template<class t_BOUND_TYPE>
struct Bind_PlaceHolderMask;This template, passed the type of one of the bound arguments to a function object, yields:
* If the specified t_BOUND_TYPE is a place holder, a mask with the bit at the index of the place holder set.
* If the specified t_BOUND_TYPE is a Bind or BindWrapper, a mask with bit 24 set.
* Zero otherwise.
| Name | Description |
|---|---|
k_VAL | Bit-mask value contributed by this bound-argument type. |
| Name | Description |
|---|---|
Bind_PlaceHolderMask<PlaceHolder<INDEX>> | Place-holder mask specialization for a place-holder bound type. |
Bind_PlaceHolderMask<Bind<t_RET, t_FUNC, t_BOUND_TUPLE>> | Place-holder mask specialization for a nested Bind argument. |
Bind_PlaceHolderMask<BindWrapper<t_RET, t_FUNC, t_BOUND_TUPLE>> | Place-holder mask specialization for a nested BindWrapper argument. |