signal: slot_iterator_buf: Remove T_result default type

murraycu · murraycu · commit fcdc822dba6b · 2019-10-29T10:49:13.000+01:00
This expected a result_type type alias. Luckily, in the few places where
we use this, we always specify the type, ignoring the default.
diff --git a/sigc++/signal.h b/sigc++/signal.h
@@ -41,7 +41,7 @@ namespace internal
  * the slot. The return value is buffered, so that in an expression
  * like @code a = (*i) * (*i); @endcode the slot is executed only once.
  */
-template<typename T_emitter, typename T_result = typename T_emitter::result_type>
+template<typename T_emitter, typename T_result>
 struct slot_iterator_buf
 {
   using size_type = std::size_t;

Original file line number	Diff line number	Diff line change
`@@ -41,7 +41,7 @@ namespace internal`
`41`	`41`	`* the slot. The return value is buffered, so that in an expression`
`42`	`42`	`* like @code a = (i) (*i); @endcode the slot is executed only once.`
`43`	`43`	`*/`
`44`		`-template<typename T_emitter, typename T_result = typename T_emitter::result_type>`
	`44`	`+template<typename T_emitter, typename T_result>`
`45`	`45`	`struct slot_iterator_buf`
`46`	`46`	`{`
`47`	`47`	`using size_type = std::size_t;`