minor fixes

ostd/argparse.hh

@@ -190,7 +190,7 @@ protected:
      * number of arguments.
      */
     arg_argument(arg_value req, std::size_t nargs):
-        arg_description(), p_valreq(req), p_nargs(nargs)
+        arg_description(), p_nargs(nargs), p_valreq(req)
     {}
 
     /** @brief A helper constructor with a number of arguments.
@@ -199,14 +199,14 @@ protected:
      */
     arg_argument(std::size_t nargs):
         arg_description(),
-        p_valreq(arg_value::EXACTLY),
-        p_nargs(nargs)
+        p_nargs(nargs),
+         p_valreq(arg_value::EXACTLY)
     {}
 
 private:
     std::string p_helpstr, p_metavar;
-    arg_value p_valreq;
     std::size_t p_nargs;
+    arg_value p_valreq;
 };
 
 /** @brief An optional argument class.

ostd/thread_pool.hh

@@ -95,7 +95,8 @@ namespace detail {
         }
     private:
         std::aligned_storage_t<
-            sizeof(tpool_func_impl<std::packaged_task<void()>>)
+            sizeof(tpool_func_impl<std::packaged_task<void()>>),
+            alignof(tpool_func_impl<std::packaged_task<void()>>)
         > p_buf;
         tpool_func_base *p_func;
     };

src/string.cc

@@ -37,7 +37,7 @@ inline std::size_t tstrlen_impl(C const *p) noexcept {
         }
     }
     {
-        /* (e.g. x86_64 => sizeof(size_t) == 8 * sizeof(char) */
+        /* e.g. x86_64 => sizeof(size_t) == 8 * sizeof(char) */
         auto *wp = reinterpret_cast<std::size_t const *>(p);
         /* check if any unit in the size_t is zero, in binary:
          *