Meta‐function that yields a place‐holder index for a bound type.

Synopsis

Declared in <bdlf_bind.h>

template<class t_BOUND_TYPE>
struct Bind_PlaceHolderIndex;

Description

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, the index of the place holder object

* zero otherwise

Enums

Name

Description

Unnamed enum

Enumeration of the place‐holder index for this specialization.

Specializations

Name

Description

Bind_PlaceHolderIndex<PlaceHolder<INDEX>>

This specialization of Bind_PlaceHolderIndex defines a numeric value for the place‐holder at the specified INDEX of the bound arguments.

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