gistfile1.txt

./src/main.rs:58:13: 58:107 error: cannot infer an appropriate lifetime for lifetime parameter 'r in function call due to conflicting requirements
./src/main.rs:58             filtered.skip_while(|l| from_str::<uint>(l.clone().unwrap().as_slice()).unwrap() | bf  == 1u )
                                                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./src/main.rs:58:33: 58:105 note: first, the lifetime cannot outlive the expression at 58:32...
./src/main.rs:58             filtered.skip_while(|l| from_str::<uint>(l.clone().unwrap().as_slice()).unwrap() | bf  == 1u )
                                                                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./src/main.rs:58:33: 58:105 note: ...so type `|&core::result::Result<collections::string::String, std::io::IoError>| -> bool` of expression is valid during the expression
./src/main.rs:58             filtered.skip_while(|l| from_str::<uint>(l.clone().unwrap().as_slice()).unwrap() | bf  == 1u )
                                                                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./src/mpain.rs:57:21: 59:10 note: but, the lifetime must be valid for the expression at 57:20...
./src/main.rs:57         Some(bf) => {
./src/main.rs:58             filtered.skip_while(|l| from_str::<uint>(l.clone().unwrap().as_slice()).unwrap() | bf  == 1u )
./src/main.rs:59         }
./src/main.rs:57:21: 59:10 note: ...so type `core::iter::SkipWhile<'_, core::result::Result<collections::string::String, std::io::IoError>, core::iter::SkipWhile<'_, core::result::Result<collections::string::String, std::io::IoError>, std::io::Lines<'_, std::io::buffered::BufferedReader<core::result::Result<std::io::fs::File, std::io::IoError>>>>>` of expression is valid during the expression
./src/main.rs:57         Some(bf) => {
./src/main.rs:58             filtered.skip_while(|l| from_str::<uint>(l.clone().unwrap().as_slice()).unwrap() | bf  == 1u )
./src/main.rs:59         }

main.rs

let filtered = match bit_field {
        None => { filtered.skip_while(|_| false ) },
        Some(bf) => {
            filtered.skip_while(|l| from_str::<uint>(l.clone().unwrap().as_slice()).unwrap() | bf  == 1u )
        }
    };