abstract class $PQ{ETP < $IS_LT{ETP}} < $DISPENSER{ETP}
Ancestors
$DISPENSER{_}
$STR
$CONTAINER{_}
$COPY
$FILTERS{_}
$ELT{_}
$ELT
Descendants
A_PQ{_}
Public
Features
clear ;
insert(
pop : ETP ;
top : ETP ;
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