From d64165e9e6af92bfe350e5d2cc46545b28dbb5c0 Mon Sep 17 00:00:00 2001
From: Joel Kronqvist <joel.kronqvist@iki.fi>
Date: Tue, 5 Aug 2025 18:07:50 +0300
Subject: Added vectors and tests for their evaluation and typing

---
 src/sexp/step.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src/sexp/step.rs')

diff --git a/src/sexp/step.rs b/src/sexp/step.rs
index d66b1bd..535b183 100644
--- a/src/sexp/step.rs
+++ b/src/sexp/step.rs
@@ -220,6 +220,23 @@ impl SExp {
     ///     Ok(scons(Quote, scons(1, scons(2, Nil))))
     /// );
     /// ```
+    ///
+    /// **Vectors**
+    ///
+    /// The same as quotes functionally, but they require
+    /// the elements to be of the same type.
+    /// ```rust
+    /// use myslip::sexp::{SExp::*, SLeaf::*, util::*};
+    /// assert_eq!(
+    ///     scons(Vector, scons(1, scons(2, Nil))).step(),
+    ///     Ok(scons(Vector, scons(1, scons(2, Nil))))
+    /// );
+    /// assert_eq!(
+    ///     scons(Vector, scons(
+    ///         scons(Sub, scons(2, scons(1, Nil))),
+    ///     scons(2, Nil))).step(),
+    ///     Ok(scons(Vector, scons(1, scons(2, Nil))))
+    /// );
     pub fn step(self) -> Result<Self, String> {
         match self {
 
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