diff options
Diffstat (limited to 'enumerator.c')
-rw-r--r-- | enumerator.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/enumerator.c b/enumerator.c index 615f933778..436541070f 100644 --- a/enumerator.c +++ b/enumerator.c @@ -2777,6 +2777,27 @@ arith_seq_exclude_end_p(VALUE self) return RTEST(arith_seq_exclude_end(self)); } +int +rb_arithmetic_sequence_extract(VALUE obj, VALUE *begin, VALUE *end, VALUE *step, int *exclude_end) +{ + if (rb_obj_is_kind_of(obj, rb_cArithSeq)) { + *begin = arith_seq_begin(obj); + *end = arith_seq_end(obj); + *step = arith_seq_step(obj); + *exclude_end = arith_seq_exclude_end_p(obj); + return 1; + } + else if (rb_obj_is_kind_of(obj, rb_cRange)) { + *begin = RANGE_BEG(obj); + *end = RANGE_END(obj); + *step = INT2FIX(1); + *exclude_end = RTEST(RANGE_EXCL(obj)); + return 1; + } + + return 0; +} + /* * call-seq: * aseq.first -> num or nil |