test/static-export-test/library.cc - external/github.com/fmtlib/fmt - Git at Google

 #include <fmt/compile.h>

 __attribute__((visibility("default"))) std::string foo() {
   return fmt::format(FMT_COMPILE("foo bar {}"), 4242);
 }
	#include <fmt/compile.h>

	__attribute__((visibility("default"))) std::string foo() {
	return fmt::format(FMT_COMPILE("foo bar {}"), 4242);
	}