BSLSTL_VARIANT_INDEX

Compute the index of the first alternative identical to TYPE.

Synopsis

Declared in <bslstl_variant.h>

#define BSLSTL_VARIANT_INDEX_OF(TYPE, VARIANT)

Description

This component‐private macro expands to the index of the first alternative in the specified VARIANT that is identical to the specified TYPE, or bsl::variant_npos if no such alternative exists.

Parameters

Name

Description

TYPE

candidate alternative type

VARIANT

variant specialization to search

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