Function as_str_checked

src/speech.rs:196–198

Returns the Yaml as a `&str` or an error if it isn't.

(yaml: &Yaml)

/// Returns the Yaml as a `&str` or an error if it isn't.
pub fn as_str_checked(yaml: &Yaml) -> Result<&str> {
    return Ok( yaml.as_str().ok_or_else(|| yaml_type_err(yaml, "string"))? );
}


/// A bit of a hack to concatenate replacements (without a ' ').