Improve type hints

widmogrod · widmogrod · commit f61208ffa879 · 2017-12-29T23:32:55.000+01:00
diff --git a/src/Functional/listt.php b/src/Functional/listt.php
@@ -113,9 +113,9 @@ function fromNil(): Listt
  *
  * @return Listt
  */
-function concat(Foldable $xs)
+function concat(Foldable $xs): Listt
 {
-    return foldr(function ($x, Listt $y) {
+    return foldr(function (Foldable $x, Listt $y) {
         return foldr(prepend, $y, $x);
     }, fromNil(), $xs);
 }

Original file line number	Diff line number	Diff line change
`@@ -113,9 +113,9 @@ function fromNil(): Listt`
`113`	`113`	`*`
`114`	`114`	`* @return Listt`
`115`	`115`	`*/`
`116`		`-function concat(Foldable $xs)`
	`116`	`+function concat(Foldable $xs): Listt`
`117`	`117`	`{`
`118`		`- return foldr(function ($x, Listt $y) {`
	`118`	`+ return foldr(function (Foldable $x, Listt $y) {`
`119`	`119`	`return foldr(prepend, $y, $x);`
`120`	`120`	`}, fromNil(), $xs);`
`121`	`121`	`}`