Deduction guide for scope_exit implemented (#80).

include/scope_exit.h

     };
 
 
+    template <class EF>
+    scope_exit(EF &&ef) -> scope_exit<std::decay_t<EF>>;
+
+
     template<class EF>
     scope_exit<std::decay_t<EF>> make_scope_exit(EF&& exitFunction)
     {

test/ScopeExitTest.cpp

 TEST_CASE("exit function called on destruction", "[ScopeExit]")
 {
     REQUIRE_CALL(m, deleter());
-    auto guard = sr::make_scope_exit(deleter);
+    auto guard = sr::scope_exit(deleter);
     static_cast<void>(guard);
 }