message: * Removed unused variable warnings
diff: @@ -64,13 +64,10 @@ lazy_static! {
  pub struct InmemWallet {}
  impl InmemWallet {
  - #[allow(unused_variables)]
  pub extern "C" fn create(name: *const c_char,
  - config: *const c_char,
  - credentials: *const c_char) -> ErrorCode {
  + _: *const c_char,
  + _: *const c_char) -> ErrorCode {
  check_useful_c_str!(name, ErrorCode::CommonInvalidStructure);
  - check_useful_opt_c_str!(config, ErrorCode::CommonInvalidStructure);
  - check_useful_opt_c_str!(credentials, ErrorCode::CommonInvalidStructure);
  let mut wallets = INMEM_WALLETS.lock().unwrap();
  @@ -85,11 +82,10 @@ impl InmemWallet {
  pub extern "C" fn open(name: *const c_char,
  _: *const c_char,
  runtime_config: *const c_char,
  - credentials: *const c_char,
  + _: *const c_char,
  handle: *mut i32) -> ErrorCode {
  check_useful_c_str!(name, ErrorCode::CommonInvalidStructure);
  check_useful_opt_c_str!(runtime_config, ErrorCode::CommonInvalidStructure);
  - check_useful_opt_c_str!(credentials, ErrorCode::CommonInvalidStructure);
  let runtime_config = match runtime_config {
  Some(config) => InmemWalletRuntimeConfig::from_json(config.as_str()).unwrap(), // FIXME: parse error!!!
  @@ -258,10 +254,9 @@ impl InmemWallet {
  ErrorCode::Success
  }
  - #[allow(unused_variables)]
  pub extern "C" fn delete(name: *const c_char,
  - config: *const c_char,
  - credentials: *const c_char) -> ErrorCode {
  + _: *const c_char,
  + _: *const c_char) -> ErrorCode {
  check_useful_c_str!(name, ErrorCode::CommonInvalidStructure);
  let mut wallets = INMEM_WALLETS.lock().unwrap();
  @@ -274,8 +269,7 @@ impl InmemWallet {
  ErrorCode::Success
  }
  - #[allow(unused_variables)]
  - pub extern "C" fn free(xhandle: i32,
  + pub extern "C" fn free(_: i32,
  value: *const c_char) -> ErrorCode {
  unsafe { CString::from_raw(value as *mut c_char); }
  ErrorCode::Success
  