[operators] start to list non-coercive multi variants too

Author: moritz

lib/operators.pod

@@ -418,7 +418,9 @@ operation.
 
 =head2 infix x
 
-    multi sub infix:<x>($a, $b) returns Str:D
+    proto sub infix:<x>(Any, Any) returns Str:D
+    multi sub infix:<x>(Any, Any)
+    multi sub infix:<x>(Str:D, Int:D)
 
 Coerces C<$a> to L<Str> and C<$b> to L<Int> and repeats the string C<$b>
 times. Return the empty string if C<< $b <= 0 >>.
@@ -450,7 +452,9 @@ is returned.
 
 =head2 infix ~
 
-    multi sub infix:<~>($a, $b) returns Str:D
+    proto sub infix:<~>(Any, Any) returns Str:D
+    multi sub infix:<~>(Any,   Any)
+    multi sub infix:<~>(Str:D, Str:D)
 
 Coerces both arguments to L<Str> and concatenates them.
 
@@ -522,7 +526,12 @@ to act like a role, for example enum values.
 
 =head2 infix cmp
 
-    multi sub infix:<cmp>($a, $b) returns Order:D is assoc<none>
+    proto sub infix:<cmp>(Any, Any) returns Order:D is assoc<none>
+    multi sub infix:<cmp>(Any,       Any)
+    multi sub infix:<cmp>(Real:D,    Real:D)
+    multi sub infix:<cmp>(Str:D,     Str:D)
+    multi sub infix:<cmp>(Enum:D,    Enum:D)
+    multi sub infix:<cmp>(Version:D, Version:D)
 
 Generic, "smart" three-way comparator.
 
@@ -537,7 +546,9 @@ if C<$a eqv $b>, then C<$a cmp $b> always returns C<Order::Same>.
 
 =head2 infix leg
 
-    multi sub infix:<leg>($a, $b) returns Order:D is assoc<none>
+    proto sub infix:<leg>($a, $b) returns Order:D is assoc<none>
+    multi sub infix:<leg>(Any,   Any)
+    multi sub infix:<leg>(Str:D, Str:D)
 
 String three-way comparator.