Add runtime implementation and refactor format_spec checks in formatters

1 files changed, 13 insertions, 0 deletions

diff --git a/main.cpp b/main.cpp
index f448ed7..6c5ba3d 100644
--- a/main.cpp
+++ b/main.cpp
@@ -18,6 +18,19 @@ void numberTests()
 int main(int argc, char* argv[])
 {
 	using namespace format;
+	using format::format;
+
+	if (argc == 2)
+	{
+		std::string_view fmt{argv[1]};
+		format_nothrow_to(fmt, stdout, "Knirp", 's', argv[0], 42u, 1.337);
+		putchar('\n');
+		return 0;
+	}
+
+	format_to("Hallo %%du %1$s %s%c %s %u = %4$#x = %4$#X = %4$#o %f!\n", std::cout, "Knirp", 's', argv[0], 42u, 1.337);
+	assert(format("Hallo %%du %1$s %s%c %s %u = %4$#x = %4$#X = %4$#o %f!\n", "Knirp", 's', argv[0], 42u, 1.337) == "Hallo %%du %1$s %s%c %s %u = %4$#x = %4$#X = %4$#o %f!\n"_format("Knirp", 's', argv[0], 42u, 1.337));
+
 	"-%20g-\n"_format_to(stdout, 0x1.8p0);
 	"-%20.0a-\n"_format_to(stdout, 0.0);
 	"-%#+20.0a-\n"_format_to(stdout, 1.0);