diff options
| -rw-r--r-- | NEWS | 4 | ||||
| -rw-r--r-- | range.c | 7 | ||||
| -rw-r--r-- | test/ruby/test_range.rb | 9 |
3 files changed, 20 insertions, 0 deletions
@@ -217,6 +217,10 @@ sufficient information, see the ChangeLog file or Redmine * `Range` + * New methods: + + * Added `Range#%` instance method. [Feature #14697] + * Incompatible changes: * `Range#===` now uses `#cover?` instead of `#include?` method. @@ -497,6 +497,12 @@ range_step(int argc, VALUE *argv, VALUE range) return range; } +static VALUE +range_percent_step(VALUE range, VALUE step) +{ + return range_step(1, &step, range); +} + #if SIZEOF_DOUBLE == 8 && defined(HAVE_INT64_T) union int64_double { int64_t i; @@ -1549,6 +1555,7 @@ Init_Range(void) rb_define_method(rb_cRange, "hash", range_hash, 0); rb_define_method(rb_cRange, "each", range_each, 0); rb_define_method(rb_cRange, "step", range_step, -1); + rb_define_method(rb_cRange, "%", range_percent_step, 1); rb_define_method(rb_cRange, "bsearch", range_bsearch, 0); rb_define_method(rb_cRange, "begin", range_begin, 0); rb_define_method(rb_cRange, "end", range_end, 0); diff --git a/test/ruby/test_range.rb b/test/ruby/test_range.rb index c1d9dc1848..f58d1f817c 100644 --- a/test/ruby/test_range.rb +++ b/test/ruby/test_range.rb @@ -322,6 +322,15 @@ class TestRange < Test::Unit::TestCase assert_equal(["a", "b", "c"], a) end + def test_percent_step + aseq = (1..10) % 2 + assert_equal(Enumerator::ArithmeticSequence, aseq.class) + assert_equal(1, aseq.begin) + assert_equal(10, aseq.end) + assert_equal(2, aseq.step) + assert_equal([1, 3, 5, 7, 9], aseq.to_a) + end + def test_step_ruby_core_35753 assert_equal(6, (1...6.3).step.to_a.size) assert_equal(5, (1.1...6).step.to_a.size) |