1 files changed, 29 insertions, 0 deletions

diff --git a/src/error.rs b/src/error.rs
new file mode 100644
index 0000000..ec2b555
--- /dev/null
+++ b/src/error.rs
@@ -0,0 +1,29 @@
+/* Copyright (C) 2019  Akshay Oppiliappan <[email protected]>
+ * Refer to LICENCE for more information.
+ * */
+
+#[derive(Debug)]
+pub enum CalcError {
+    Math(Math),
+    Syntax(String),
+    Parser(String),
+}
+
+#[derive(Debug)]
+pub enum Math {
+    DivideByZero,
+    OutOfBounds,
+    UnknownBase,
+}
+
+pub fn handler(e: CalcError) -> String {
+    match e {
+        CalcError::Math(math_err) => match math_err {
+            Math::DivideByZero => "Math Error: Divide by zero error!".to_string(),
+            Math::OutOfBounds => "Domain Error: Out of bounds!".to_string(),
+            Math::UnknownBase => "Base too large! Accepted ranges: 0 - 36".to_string(),
+        },
+        CalcError::Syntax(details) => format!("Syntax Error: {}", details),
+        CalcError::Parser(details) => format!("Parser Error: {}", details),
+    }
+}