1 files changed, 54 insertions, 0 deletions
diff --git a/src/error.rs b/src/error.rs
new file mode 100644
index 0000000..3e6a66e
--- /dev/null
+++ b/src/error.rs
@@ -0,0 +1,54 @@
+use hyper::Error as HyperError;
+use serde_json::Error as JsonError;
+use serde_urlencoded::ser::Error as UrlEncodeError;
+use std::error::Error as StdError;
+use std::fmt::{Display, Formatter, Result as FmtResult};
+use std::result::Result as StdResult;
+
+/// Result type used throughout the library's public result functions.
+pub type Result<T> = StdResult<T, Error>;
+
+/// Standard error enum used to wrap different potential error types.
+#[derive(Debug)]
+pub enum Error {
+    /// An error from the `hyper` crate.
+    Hyper(HyperError),
+    /// An error from the `serde_json` crate.
+    Json(JsonError),
+    /// An error from the `serde_urlencoded` crate.
+    UrlEncode(UrlEncodeError),
+}
+
+impl From<HyperError> for Error {
+    fn from(err: HyperError) -> Self {
+        Error::Hyper(err)
+    }
+}
+
+impl From<JsonError> for Error {
+    fn from(err: JsonError) -> Self {
+        Error::Json(err)
+    }
+}
+
+impl From<UrlEncodeError> for Error {
+    fn from(err: UrlEncodeError) -> Self {
+        Error::UrlEncode(err)
+    }
+}
+
+impl Display for Error {
+    fn fmt(&self, f: &mut Formatter) -> FmtResult {
+        f.write_str(self.description())
+    }
+}
+
+impl StdError for Error {
+    fn description(&self) -> &str {
+        match *self {
+            Error::Hyper(ref inner) => inner.description(),
+            Error::Json(ref inner) => inner.description(),
+            Error::UrlEncode(ref inner) => inner.description(),
+        }
+    }
+}