[perl #128903] [BUG] SetHash::push not implemented

[via RT]

# New Ticket Created by  Wenzel Peppmeyer 
# Please include the string:  [perl #128903]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org/Ticket/Display.html?id=128903 >


my SetHash $sh .= new; $sh.push('a');

# OUTPUT:
# OUTPUT«Cannot resolve caller push(SetHash: Str); none of these signatures 
match:␤ (Any:U \SELF: |values is raw)␤  in block <unit>  <tmp> line 1␤»

# Any::push tries to call SetHash::push and fails because there is no such
# method.