transaction

Author: expnkx

examples/0042.transaction/print_transaction.cc

@@ -0,0 +1,22 @@
+#include"../../include/fast_io_legacy.h"
+
+int main()
+{
+	print_transaction(fast_io::c_stdout,[](auto& m)
+	{
+		print(m,"Hello  world\n");
+		print(m,"Hello  world\n");
+		print(m,"Hello  world\n");
+		print(m,"Hello  world\n");
+		print(m,"Hello  world\n");
+		print(m,"Hello  world\n");
+		print(m,"Hello  world\n");
+		print(m,"Hello  world\n");
+		print(m,"Hello  world\n");
+		print(m,"Hello  world\n");
+		print(m,"Hello  world\n");
+		print(m,"Hello  world\n");
+		print(m,"Hello  world\n");
+
+	});
+}

include/fast_io_core_impl/print_scan.h

@@ -309,6 +309,14 @@ inline constexpr void print_fallback(output &out,Args&& ...args)
 }
 }
 
+template<output_stream output,typename callback>
+inline constexpr void print_transaction(output &out,callback func)
+{
+	internal_temporary_buffer<typename output::char_type> buffer;
+	func(buffer);
+	write(out,buffer.beg_ptr,buffer.end_ptr);
+}
+
 template<output_stream output,typename ...Args>
 inline constexpr void print(output &out,Args&& ...args)
 {