From e2c2cc460052191439abec62c465f0a4430b5b8a Mon Sep 17 00:00:00 2001
From: Akshay <nerdy@peppe.rs>
Date: Tue, 23 Mar 2021 13:09:15 +0530
Subject: add types for lisp primitives and functions

---
 src/lisp/mod.rs | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

(limited to 'src/lisp/mod.rs')

diff --git a/src/lisp/mod.rs b/src/lisp/mod.rs
index b863bba..5166a04 100644
--- a/src/lisp/mod.rs
+++ b/src/lisp/mod.rs
@@ -1,9 +1,12 @@
-mod error;
-mod expr;
-mod lex;
-mod number;
-mod parse;
+pub mod env;
+pub mod error;
+pub mod expr;
+pub mod lex;
+pub mod number;
+pub mod parse;
+
+use std::collections::HashMap;
 
 use expr::LispExpr;
 
-pub type Environment = Vec<(String, LispExpr)>;
+pub type Environment = HashMap<String, LispExpr>;
-- 
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