third_party_rust_nom/doc/FAQ.md

FAQ

The compiler indicates error: expected an item keyword then points to the function's return type in named!:

error: expected an item keyword
named!(multi<Vec<&str>>, many0!( map_res!(tag!( "abcd" ), str::from_utf8) ) );
             ^~~

This happens because the macro processor mistakes >> for an operator. It will work correctly by adding a space, like this: named!(multi< Vec<&str> >, ...