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-rw-r--r--lib.c12
-rw-r--r--tests/010/range.tl2
-rw-r--r--tests/012/seq.tl12
3 files changed, 24 insertions, 2 deletions
diff --git a/lib.c b/lib.c
index b4971191..11cf3340 100644
--- a/lib.c
+++ b/lib.c
@@ -1060,7 +1060,17 @@ void seq_iter_init_with_info(val self, seq_iter_t *it, seq_info_t si)
/* fallthrough */
default:
unsup_obj(self, it->inf.obj);
- } else {
+ } else switch (type(rf)) {
+ case LIT:
+ case STR:
+ case LSTR:
+ it->ui.vn = copy_str(rf);
+ it->ul.vbound = rt;
+ it->ops = &si_range_str_ops;
+ if (eql(length_str(rf), length_str(rt)))
+ break;
+ unsup_obj(self, it->inf.obj);
+ default:
seq_iter_init_with_info(self, it, seq_info(nil));
break;
}
diff --git a/tests/010/range.tl b/tests/010/range.tl
index 4cc9ee95..c116cf87 100644
--- a/tests/010/range.tl
+++ b/tests/010/range.tl
@@ -67,7 +67,7 @@
(range* 0 1.25 0.5) (0 0.5 1.0))
(mtest
- (range "A" "A") nil
+ (range "A" "A") ("A")
(range "A" "A" 0) :error
(range "A" "A" -2) :error)
diff --git a/tests/012/seq.tl b/tests/012/seq.tl
index 86980e57..b1063513 100644
--- a/tests/012/seq.tl
+++ b/tests/012/seq.tl
@@ -1636,3 +1636,15 @@
(length "Z".."A") 26
(length "AAA".."ZZZ") 17576
(length "ZZZ".."AAA") 17576)
+
+(mtest
+ (list-seq "A".."A") ("A")
+ (list-seq "A".."B") ("A" "B")
+ (list-seq "B".."A") ("B" "A")
+ (list-seq "AA".."AA") ("AA")
+ (list-seq "AA".."AB") ("AA" "AB")
+ (list-seq "AB".."AA") ("AB" "AA")
+ (list-seq "A".."D") ("A" "B" "C" "D")
+ (list-seq "D".."A") ("D" "C" "B" "A")
+ (list-seq "AA".."CC") ("AA" "AB" "AC" "BA" "BB" "BC" "CA" "CB" "CC")
+ (list-seq "CC".."AA") ("CC" "CB" "CA" "BC" "BB" "BA" "AC" "AB" "AA"))