Metafunction that is true for Nil and false for all other types.

Synopsis

Declared in <bslmf_nil.h>

template<class t_T>
struct IsNil
    : bsl::false_type

Base Classes

Name

Description

bsl::false_type

Metafunction representing the boolean constant false.

Specializations

Name

Description

IsNil<Nil>

This specialization of IsNil derives from bsl::true_type for when the (template parameter) type is Nil.

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