Reading https://github.com/rust-lang/rfcs/pull/453 makes me wonder how many languages provide mutually recursive macros.that expand to macros.
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@MekahimeAkari @lifning "C makes it easy to shoot yourself in the foot; C++ makes it harder, but when you do it blows your whole leg off". -- Real Stroustrup quote, 1986
I've heard of 'blub languages', where you don't realise that other languages have better abstractions until you've experienced them.
I think the same thing happens with individual features. I've seen several C++ folks miss variadic generics in Rust, but I've not written enough C++ to feel it.
There are *so many* ways that reading a text file can fail.
Maybe it doesn't exist, it's a broken symlink, it's actually a directory, it's not the encoding you expected, or perhaps you just don't have the correct permissions.
Reporting good errors is surprisingly labour intensive.