pub fn read_from_yaml_file<T>(
        yaml_path: &::std::path::Path
    ) -> ::std::result::Result<T, ::failure::Error>
    where
        for<'de> T: Deserialize<'de> + Serialize,
    {
    //...
    }

    pub fn read_from_yaml_file<'de, T>(
        yaml_path: &::std::path::Path
    ) -> ::std::result::Result<T, ::failure::Error>
    where
        T: Deserialize<'de> + Serialize,
    {
    //...
    }