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Alexandre Duret-Lutz authored
* src/ltlast/atomic_prop.cc, src/ltlast/atomic_prop.hh, src/ltlast/automatop.cc, src/ltlast/automatop.hh, src/ltlast/binop.cc, src/ltlast/binop.hh, src/ltlast/bunop.cc, src/ltlast/bunop.hh, src/ltlast/multop.cc, src/ltlast/multop.hh, src/ltlast/unop.cc, src/ltlast/unop.hh: Use std::tuple to replace nested std::pair, simplify calls to std::map::erase, use auto and std::make_pair with insert, and simplify the dump() method using a range for.
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