Add a Range datatype with creation methods like `5:to(10)` and

modification methods like `range:by(2)` or `range:reversed()`

1 files changed, 4 insertions, 0 deletions

diff --git a/builtins/datatypes.h b/builtins/datatypes.h
index f1aa5747..12c7cbc4 100644
--- a/builtins/datatypes.h
+++ b/builtins/datatypes.h
@@ -54,4 +54,8 @@ typedef struct {
     void *fn, *userdata;
 } closure_t;
 
+typedef struct Range_s {
+    int64_t first, last, step;
+} Range_t;
+
 // vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0