add error constructs

1 files changed, 29 insertions, 0 deletions

diff --git a/src/error/mod.rs b/src/error/mod.rs
new file mode 100644
index 0000000..14153fe
--- /dev/null
+++ b/src/error/mod.rs
@@ -0,0 +1,29 @@
+#[derive(Debug)]
+pub enum CalcError {
+    Math(Math),
+    Syntax(String),
+    Parser(String),
+}
+
+#[derive(Debug)]
+pub enum Math {
+    DivideByZero,
+    OutOfBounds,
+}
+
+pub fn handler(e: CalcError) {
+    match e {
+        CalcError::Math(math_err) => {
+            match math_err {
+                Math::DivideByZero => println!("Math Error: Divide by zero error!"),
+                Math::OutOfBounds => println!("Domain Error: Out of bounds!")
+            }
+        },
+        CalcError::Syntax(details) => {
+            println!("Syntax Error: {}", details);
+        },
+        CalcError::Parser(details) => {
+            println!("Parser Error: {}", details);
+        }
+    }
+}