Add spaces

Co-authored-by: Christian Parpart <[email protected]>

Author: Yaraslaut

README.md

@@ -49,9 +49,9 @@ You can forget about the order of parameters in your code
 // Create unique structures
 namespace tags { struct Speed{}; struct Permittivity{}; struct Permeability{}; }
 
-using Speed = boxed::boxed<double,tags::Speed>;
-using Permittivity = boxed::boxed<double,tags::Permittivity>;
-using Permeability = boxed::boxed<double,tags::Permeability>;
+using Speed = boxed::boxed<double, tags::Speed>;
+using Permittivity = boxed::boxed<double, tags::Permittivity>;
+using Permeability = boxed::boxed<double, tags::Permeability>;
 
 Speed wave_speed_inside(Permittivity epsilon, Permeability mu)
 {
@@ -74,9 +74,9 @@ Speed wave_speed(T t, S s) // recursive variadic function
 
 int main()
 {
-    auto vacuum_permittivity = Permittivity(8.85418781762039e-12);
-    auto pi = 3.14159265358979323846;
-    auto vacuum_permeability = Permeability(4 * pi * 1e-7);
+    constexpr auto vacuum_permittivity = Permittivity(8.85418781762039e-12);
+    constexpr auto pi = 3.14159265358979323846;
+    constexpr auto vacuum_permeability = Permeability(4 * pi * 1e-7);
 
     auto speed_one = wave_speed(vacuum_permittivity, vacuum_permeability);
     auto speed_two = wave_speed(vacuum_permeability, vacuum_permittivity);