c++ - tuple t1(1), t2(2), t3(3); -



c++ - tuple<int, 3> t1(1), t2(2), t3(3); -

i know tuple object holds collection of elements. i've encountered tuples tuple<int, double, string> student{15, 13.2, "mike"} i've encountered 1 don't seem understand, tuple<int, 3> t1(1), t2(2), t3(3); first argument integer , 3 represent, along t()? lot.

you should getting this:

error: type/value mismatch @ argument 1 in template parameter list ‘template<class ...> class std::tuple’ error: expected type, got ‘3’ ...

clearly compiler says there not such constructor std::tuple. should check if code using uses own tuple, instead of standard.

if std::tuple, code not compile, it's wrong.

check ref, can see compiler (as usual) right.

ps - next time format question improve because took wrong impression , made pointless answer.

c++ tuples

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