yegor256#1445: Add type to ctor (PECS)

fabriciofx · Nov 4, 2020 · d764d0b · d764d0b
1 parent 31971e9
commit d764d0b
Showing 1 changed file with 10 additions and 4 deletions.
diff --git a/src/main/java/org/cactoos/scalar/ScalarOf.java b/src/main/java/org/cactoos/scalar/ScalarOf.java
@@ -31,8 +31,8 @@
 /**
  * ScalarOf.
  *
- * @param <X> Element type
- * @param <T> Element type
+ * @param <X> Input element type
+ * @param <T> Output element type
  * @since 0.4
  */
 public final class ScalarOf<X, T> extends ScalarEnvelope<T> {
@@ -56,19 +56,25 @@ public ScalarOf(final Runnable runnable, final T result) {
      * @param proc Encapsulated proc
      * @param ipt Input
      * @param result Result to return
+     * @param <X> Input element type
      * @since 0.41
      */
-    public ScalarOf(final Proc<? super X> proc, final X ipt, final T result) {
+    public <X> ScalarOf(
+        final Proc<? super X> proc,
+        final X ipt,
+        final T result
+    ) {
         this(new FuncOf<>(proc, result), ipt);
     }
 
     /**
      * Ctor.
      * @param fnc Encapsulated func
      * @param ipt Input
+     * @param <X> Input element type
      * @since 0.41
      */
-    public ScalarOf(final Func<? super X, T> fnc, final X ipt) {
+    public <X> ScalarOf(final Func<? super X, ? extends T> fnc, final X ipt) {
         this(() -> fnc.apply(ipt));
     }