diff options
author | mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-12-12 06:39:58 +0000 |
---|---|---|
committer | mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-12-12 06:39:58 +0000 |
commit | 914a290324016b4f0b9a6080e334658cb3bf9f37 (patch) | |
tree | ee20461f20e0d22829d1be89cf9bf8ddb6215d91 /enumerator.c | |
parent | 3a637971a2a5939c7306ed7f9acd89689f37f25b (diff) |
enumerator.c: rb_arithmetic_sequence_extract
New public C-API for extracting components of Enumerator::ArithmeticSequence
or Range.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66351 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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 |