[#BSLSTL_STRING_ONLY_STRINGVIEW_ENABLE_IF_T]
= BSLSTL_STRING_ONLY_STRINGVIEW_ENABLE_IF_T
:mrdocs:

SFINAE enable_if type alias for types convertible to string_view but NOT convertible to C‐string and NOT an accessible base of `bsl::basic_string` or `std::basic_string`. The result type is the macro argument if enabled. This is a variadic macro to support result types containing commas (e.g., `basic_string<CHAR_TYPE, CHAR_TRAITS, ALLOCATOR>`).

== Synopsis

Declared in `<bslstl_string.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
#define BSLSTL_STRING_ONLY_STRINGVIEW_ENABLE_IF_T(...)

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