1 files changed, 23 insertions, 0 deletions
diff --git a/src/errors.rs b/src/errors.rs
new file mode 100644
index 0000000..5713aa0
--- /dev/null
+++ b/src/errors.rs
@@ -0,0 +1,23 @@
+use std::error::Error;
+use std::fmt;
+
+#[derive(Debug)]
+pub struct ParseRangeError {
+    source_str: String,
+}
+
+impl ParseRangeError {
+    pub fn new(source_str: &str) -> Self {
+        ParseRangeError {
+            source_str: String::from(source_str),
+        }
+    }
+}
+
+impl fmt::Display for ParseRangeError {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{}", self.source_str)
+    }
+}
+
+impl Error for ParseRangeError {}