Error(s):

source_file.cpp:32:5: error: no matching function for call to 'voidToBoolTemplate'
    voidToBoolTemplate(lambda);
    ^~~~~~~~~~~~~~~~~~
source_file.cpp:5:6: note: candidate template ignored: could not match 'function<void (type-parameter-0-0)>' against '(lambda at source_file.cpp:25:19)'
auto voidToBoolTemplate(std::function<void(Arg)> func)
     ^
1 error generated.