Function compile_rule

src/speech.rs:220–234

Given a string that should be Yaml, it calls `build_fn` with that string. The build function/closure should process the Yaml as appropriate and capture any errors and write them to `std_err`.

(str: &str, mut build_fn: F)

/// Given a string that should be Yaml, it calls `build_fn` with that string.
/// The build function/closure should process the Yaml as appropriate and capture any errors and write them to `std_err`.
pub fn compile_rule<F>(str: &str, mut build_fn: F) -> Result<()> where
            F: FnMut(&Yaml) -> Result<()> {
    let docs = YamlLoader::load_from_str(str);
    match docs {
        Err(e) => {
            bail!("Parse error!!: {}", e);
        },
        Ok(docs) => {
            if docs.len() != 1 {
                bail!("Didn't find rules!");
            }
            return build_fn(&docs[0]);
        }
    }
}

fn process_include<F>(current_file: &Path, new_file_name: &str, mut read_new_file: F) -> Result<()>
                    where F: FnMut(&Path) -> Result<()> {