Replaced default spec with equivalent one, which is potentially more optimizable (fmtlib#2537)

toughengineer · Iniesta8 · commit 75b01c98e905 · 2021-10-28T18:31:48.000+02:00
diff --git a/include/fmt/chrono.h b/include/fmt/chrono.h
@@ -534,9 +534,7 @@ struct formatter<std::chrono::time_point<std::chrono::system_clock, Duration>,
     return formatter<std::tm, Char>::format(time, ctx);
   }
 
-  static constexpr Char default_specs[] = {'%', 'Y', '-', '%', 'm', '-',
-                                           '%', 'd', ' ', '%', 'H', ':',
-                                           '%', 'M', ':', '%', 'S'};
+  static constexpr Char default_specs[] = {'%', 'F', ' ', '%', 'T'};
 };
 
 template <typename Char, typename Duration>

Original file line number	Diff line number	Diff line change
`@@ -534,9 +534,7 @@ struct formatter<std::chrono::time_point<std::chrono::system_clock, Duration>,`
`534`	`534`	`return formatter<std::tm, Char>::format(time, ctx);`
`535`	`535`	`}`
`536`	`536`
`537`		`- static constexpr Char default_specs[] = {'%', 'Y', '-', '%', 'm', '-',`
`538`		`- '%', 'd', ' ', '%', 'H', ':',`
`539`		`- '%', 'M', ':', '%', 'S'};`
	`537`	`+ static constexpr Char default_specs[] = {'%', 'F', ' ', '%', 'T'};`
`540`	`538`	`};`
`541`	`539`
`542`	`540`	`template <typename Char, typename Duration>`