[pepper-str] make a function in header inline (#7043)

* [pepper-str] make a function in header inline

This adds `inline` keyword to `str_impl(...)` function in header.

Signed-off-by: Hyun Sik Yoon <hyunsik.yoon@samsung.com>
* added inline to all str_impl

diff --git a/compiler/pepper-str/include/pepper/str.h b/compiler/pepper-str/include/pepper/str.h
index d4ea7c1..0ddacb5 100644 (file)
--- a/compiler/pepper-str/include/pepper/str.h
+++ b/compiler/pepper-str/include/pepper/str.h
@@ -29,16 +29,19 @@ namespace details
 
 template <typename... Arg> void str_impl(std::ostream &os, Arg &&... args);
 
-template <> void str_impl(std::ostream &os)
+template <> inline void str_impl(std::ostream &os)
 {
   // DO NOTHING
   return;
 }
 
-template <typename Arg> void str_impl(std::ostream &os, Arg &&arg) { os << std::forward<Arg>(arg); }
+template <typename Arg> inline void str_impl(std::ostream &os, Arg &&arg)
+{
+  os << std::forward<Arg>(arg);
+}
 
 template <typename Arg, typename... Args>
-void str_impl(std::ostream &os, Arg &&arg, Args &&... args)
+inline void str_impl(std::ostream &os, Arg &&arg, Args &&... args)
 {
   str_impl(os, std::forward<Arg>(arg));
   str_impl(os, std::forward<Args>(args)...);