Re^2: Eliminating the common prefix from a Parse::RecDescent rule

[ikegami]

in reply to Re: Eliminating the common prefix from a Parse::RecDescent rule
in thread Operator Associativity and Eliminating Left-Recursion in Parse::RecDescent

You must check that nothing follows what sum matches.

evaluate : sum /\Z/ { $item[1] }

->evaluate($expr)