fix: Clippy warnings

src/client/base/tokio.rs

@@ -76,6 +76,12 @@ pub struct TokioClient {
     client: HttpClient,
 }
 
+impl Default for TokioClient {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl TokioClient {
     pub fn new() -> Self {
         Self {

src/error.rs

@@ -36,9 +36,10 @@ impl From<http_types::Error> for StripeError {
 }
 
 /// The list of possible values for a RequestError's type.
-#[derive(Debug, PartialEq, Deserialize)]
+#[derive(Debug, PartialEq, Deserialize, Default)]
 pub enum ErrorType {
     #[serde(skip_deserializing)]
+    #[default]
     Unknown,
     #[serde(rename = "api_error")]
     Api,
@@ -58,12 +59,6 @@ pub enum ErrorType {
     Validation,
 }
 
-impl Default for ErrorType {
-    fn default() -> Self {
-        ErrorType::Unknown
-    }
-}
-
 impl std::fmt::Display for ErrorType {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         write!(f, "{}", to_snakecase(&format!("{:?}Error", self)))

src/resources/balance_transaction_ext.rs

@@ -124,7 +124,9 @@ impl std::default::Default for BalanceTransactionStatus {
 /// An enum representing the possible values of an `Fee`'s `type` field.
 #[derive(Copy, Clone, Debug, Deserialize, Serialize, Eq, PartialEq)]
 #[serde(rename_all = "snake_case")]
+#[derive(Default)]
 pub enum FeeType {
+    #[default]
     ApplicationFee,
     StripeFee,
     Tax,
@@ -151,9 +153,3 @@ impl std::fmt::Display for FeeType {
         self.as_str().fmt(f)
     }
 }
-
-impl std::default::Default for FeeType {
-    fn default() -> Self {
-        FeeType::ApplicationFee
-    }
-}

src/resources/currency.rs

@@ -5,7 +5,7 @@ use crate::params::to_snakecase;
 /// Currency is the list of supported currencies.
 ///
 /// For more details see <https://support.stripe.com/questions/which-currencies-does-stripe-support>.
-#[derive(Copy, Clone, Debug, Deserialize, Serialize, Eq, PartialEq, Hash)]
+#[derive(Copy, Clone, Debug, Deserialize, Serialize, Eq, PartialEq, Hash, Default)]
 pub enum Currency {
     #[serde(rename = "byn")]
     BYN, // Belarusian Ruble
@@ -262,6 +262,7 @@ pub enum Currency {
     #[serde(rename = "ugx")]
     UGX, // Ugandan Shilling
     #[serde(rename = "usd")]
+    #[default]
     USD, // United States Dollar
     #[serde(rename = "uyu")]
     UYU, // Uruguayan Peso
@@ -291,12 +292,6 @@ pub enum Currency {
     ZMW, // Zambian Kwacha
 }
 
-impl Default for Currency {
-    fn default() -> Self {
-        Currency::USD
-    }
-}
-
 impl std::fmt::Display for Currency {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         write!(f, "{}", to_snakecase(&format!("{:?}", self)))

tests/mock/mod.rs

@@ -1,9 +1,9 @@
 //! Setup and teardown for the stripe mock service.
 
 #[allow(dead_code)]
-pub fn with_client<T>(test: T) -> ()
+pub fn with_client<T>(test: T)
 where
-    T: FnOnce(&stripe::Client) -> () + std::panic::UnwindSafe,
+    T: FnOnce(&stripe::Client) + std::panic::UnwindSafe,
 {
     let result = std::panic::catch_unwind(|| {
         let client = stripe::Client::from_url("http://localhost:12111", "sk_test_123");