There is no arrow syntax, I'm afraid -- you'll have to deref with the sigil:

If your hashref is the least bit complicated, you'll want to use a block. In fact, you might want to use a block in any case, rather than worry about precedence ...

print @{$hashref}{'a','a','b'};
# @{$hashref{'a','a','b'}} would be dereferencing (as an array)
# an element of that arcane structure, a multi-dimensional hash.
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