Hello again,
this syntax works. let list: List<int> = Cons(1, box Cons(2, box Cons(3, box Nil))); Please disregard my previous e-mail. Phiroc Début du message réexpédié : > De: Philippe de Rochambeau <phi...@free.fr> > Objet: unexpected token: `)` with new owning-pointer syntax > Date: 18 mai 2014 10:56:42 UTC+2 > À: rust-dev@mozilla.org > > > Hello, > > as a learning exercise, I have converted this code (found here: > http://words.steveklabnik.com/pointers-in-rust-a-guide) > > enum List<T> { > Nil, > Cons(T, ~List<T>), > } > > fn main() { > let list: List<int> = Cons(1, ~Cons(2, ~Cons(3, ~Nil))); > println!("{:?}", list); > } > to the new Rust 0.11 owning-pointer syntax > (http://static.rust-lang.org/doc/master/rust.html#pointer-types): > > enum List<T> { > Nil, > Cons(T, Box<List<T>>), > } > > fn main() { > // http://words.steveklabnik.com/pointers-in-rust-a-guide > // let list: List<int> = Cons(1, ~Cons(2, ~Cons(3, ~Nil))); > let list: List<int> = > Cons(1,Box<Cons(2,Box<Cons(3,Box<Nil>)>)>); > > println!("{:?}", list); > } > > When I compile the above code, I get the following error (although all my > opening an closing parentheses seem to match): > > rustc pointer.rs > pointer.rs:10:40: 10:41 error: unexpected token: `)` > pointer.rs:10 Cons(1,Box<Cons(2,Box<Cons(3,Box<Nil>)>)>); > ^ > make: *** [cmp] Error 101 > > > Am I using the new owning-pointer syntax incorrectly? > > Many thanks. > > Phiroc > > > >
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