diff options
Diffstat (limited to 'range.c')
-rw-r--r-- | range.c | 26 |
1 files changed, 15 insertions, 11 deletions
@@ -436,19 +436,23 @@ range_each(VALUE range) rb_yield(LONG2FIX(i)); } } - else if (TYPE(beg) == T_STRING) { - VALUE args[2]; - - args[0] = end; - args[1] = EXCL(range) ? Qtrue : Qfalse; - rb_block_call(beg, rb_intern("upto"), 2, args, rb_yield, 0); - } else { - if (!rb_respond_to(beg, id_succ)) { - rb_raise(rb_eTypeError, "can't iterate from %s", - rb_obj_classname(beg)); + VALUE tmp = rb_check_string_type(beg); + + if (!NIL_P(tmp)) { + VALUE args[2]; + + args[0] = end; + args[1] = EXCL(range) ? Qtrue : Qfalse; + rb_block_call(tmp, rb_intern("upto"), 2, args, rb_yield, 0); + } + else { + if (!rb_respond_to(beg, id_succ)) { + rb_raise(rb_eTypeError, "can't iterate from %s", + rb_obj_classname(beg)); + } + range_each_func(range, each_i, NULL); } - range_each_func(range, each_i, NULL); } return range; } |