fix range #442

jcubic · Feb 23, 2025 · 56533b0 · 56533b0
1 parent 90b9cce
commit 56533b0
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,4 +1,6 @@
 ## 1.0.0-beta.21
+### Breaking
+* `(range n 0 -1)` don't include 0 like in Python [#442](https://github.com/jcubic/lips/issues/442)
 ### Feature
 * allow to use auto-indent with Node >=18.19.0
 * add metadata to the parser [#414](https://github.com/jcubic/lips/issues/414), [#416](https://github.com/jcubic/lips/issues/416)

diff --git a/dist/std.min.scm b/dist/std.min.scm
diff --git a/dist/std.scm b/dist/std.scm
diff --git a/dist/std.xcb b/dist/std.xcb
diff --git a/lib/bootstrap.scm b/lib/bootstrap.scm
@@ -1323,9 +1323,9 @@
                    (cadr rest)))
          (test (cond
                 ((> i stop) (lambda (i)
-                              (and (< step 0) (>= i stop))))
-                ((< i stop) (lambda
-                              (i) (and (> step 0) (< i stop))))
+                              (and (< step 0) (> i stop))))
+                ((< i stop) (lambda (i)
+                              (and (> step 0) (< i stop))))
                 (else (lambda () false))))
          (result (vector)))
     (typecheck "range" i "number" 1)