Function dotfiles_core::yaml_util::process_value_from_yaml_hash

pub fn process_value_from_yaml_hash<T, F>(
    key: &str,
    yaml_hash: &StrictYaml,
    process: F
) -> Result<T, DotfilesError>
where
    F: FnMut(&StrictYaml) -> Result<T, DotfilesError>,

Gets the value for a specified key in a yaml hash and does something with it.

Returns the result of the process function being applied to the value in question.

Errors

• Will return an error that happens during the process_function application.
• Will return a ErrorType::UnexpectedYamlTypeError if the value is not a hash or if the hash doesn’t have string-based keys.
• Will return a ErrorType::IncompleteConfigurationError if the key is not found in the hash.