c++ - What does "error: cannot use type 'void' as a range" actually mean? -

when compile in clang 3.2

for(auto x : {1, 1.2}){}

i error this:

error: cannot use type 'void' range

what mean?

you mixed types in initializer list. in case can pretty clear, don't forget

std::string foo; for(auto x : {foo, "bar"}){}

are 2 separate types. there of course plenty of other cases may expect work, types have match exactly.

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