initial commit

src/ast/expr.rs

@@ -0,0 +1,19 @@
+use crate::ast::*;
+
+#[derive(Debug, PartialEq)]
+pub enum Expr {
+    BinaryExpression(Box<Expr>, BinaryOperator, Box<Expr>),
+    Identifier(Identifier),
+    IntegerLiteral(i64),
+    FloatLiteral(f64),
+    StringLiteral(String),
+    Call(Box<Call>),
+}
+
+#[derive(Debug, PartialEq, Clone)]
+pub enum BinaryOperator {
+    Add,
+    Sub,
+    Mul,
+    Div,
+}