From 58d1ffe48fd6921d23d178ee9074e828f2e2b1ef Mon Sep 17 00:00:00 2001
From: Roman Godmaire <godmaire@twilit.io>
Date: Sat, 4 May 2024 18:05:09 -0400
Subject: [PATCH] feat: do statement for blocks

---
 src/env/core.rs | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/env/core.rs b/src/env/core.rs
index a6d1606..af7d632 100644
--- a/src/env/core.rs
+++ b/src/env/core.rs
@@ -2,7 +2,7 @@ use std::borrow::Borrow;
 use std::collections::HashMap;
 
 use crate::error::Error;
-use crate::evaluator::eval_node;
+use crate::evaluator::{eval, eval_node};
 use crate::macros::arg_count;
 use crate::node::Node;
 
@@ -347,6 +347,18 @@ pub(super) fn core() -> HashMap<String, Node> {
                 Ok(Node::String(val.to_string()))
             }),
         ),
+        (
+            "do",
+            Node::Special(|env, args| {
+                let res = eval(env, args)?;
+
+                if let Some(res) = res.last() {
+                    return Ok(res.to_owned());
+                }
+
+                Ok(Node::Nil)
+            }),
+        ),
         // IO
         (
             "display",