Assert is a macro instead of a keyword
Fail is a macro instead of a keyword
Remove `pure' keyword and unsafe block from with_str_writer
Remove deprecated `move' keyword
Fix impl syntax (double colons are deprecated syntax)
Fix error: unresolved import. maybe a missing `extern mod io`?
Rename LinearMap to HashMap
Call HashMap::new()
Rename int::str() to int::to_str()
Use FromStr::from_str because bool::from_str does not exist anymore
Remove unused import std::rand
Fix error: reference to trait `io::Writer` where a type is expected; try `@io::Writer`
Rename float::to_str to float::to_str_digits
Rename find_ref to find