I'm trying to convert tuple of uints to string using to_str() module like this:
io::println((1,2).to_string());
Looks like it should work as to_str has implementation for (A, B), but:
test.rs:11 io::println((1,2).to_string());
^~~~~~~~~~~~~~~~~~
error: aborting due to previous error
Is it compiler error or I've missed something?
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