[List] key, values, kv

Author: moritz

lib/List.pod

@@ -6,6 +6,8 @@
 
 C<List> stores items sequentially and potentially lazily.
 
+Indexes into lists and arrays start at 0 by default.
+
 =head2 Methods
 
 =head3 elems
@@ -22,6 +24,34 @@ Returns the number of elements in the list
 
 Returns the index of the last element
 
+=head3 keys
+
+    multi sub    keys(*@list)  returns List:D
+    multi method keys(List:D:) returns List:D
+
+Returns a list of indexes into the list
+
+=head3 values
+
+    multi sub    values(*@list)  returns List:D
+    multi method values(List:D:) returns List:D
+
+Returns a copy of the list.
+
+=head3 kv
+
+    multi sub    kv(*@list)  returns List:D
+    multi method kv(List:D:) returns List:D
+
+Returns a list of indexes and values interleaved. For example
+
+    <a b c>.kv
+
+Returns
+
+    0, 'a', 1, 'b', 2, 'c'
+
+
 =head3  join
 
     multi sub    join(Str:D $separator, *@list) returns Str:D