diff options
Diffstat (limited to 'mrbgems/mruby-array-ext')
| -rw-r--r-- | mrbgems/mruby-array-ext/src/array.c | 13 | ||||
| -rw-r--r-- | mrbgems/mruby-array-ext/test/array.rb | 10 |
2 files changed, 23 insertions, 0 deletions
diff --git a/mrbgems/mruby-array-ext/src/array.c b/mrbgems/mruby-array-ext/src/array.c index ad6cead2c..ae9d8296e 100644 --- a/mrbgems/mruby-array-ext/src/array.c +++ b/mrbgems/mruby-array-ext/src/array.c @@ -1,6 +1,7 @@ #include "mruby.h" #include "mruby/value.h" #include "mruby/array.h" +#include "mruby/range.h" /* * call-seq: @@ -122,6 +123,17 @@ mrb_ary_at(mrb_state *mrb, mrb_value ary) return mrb_ary_entry(ary, pos); } +static mrb_value +mrb_ary_values_at(mrb_state *mrb, mrb_value self) +{ + mrb_int argc; + mrb_value *argv; + + mrb_get_args(mrb, "*", &argv, &argc); + + return mrb_get_values_at(mrb, self, RARRAY_LEN(self), argc, argv, mrb_ary_ref); +} + void mrb_mruby_array_ext_gem_init(mrb_state* mrb) { @@ -132,6 +144,7 @@ mrb_mruby_array_ext_gem_init(mrb_state* mrb) mrb_define_method(mrb, a, "assoc", mrb_ary_assoc, MRB_ARGS_REQ(1)); mrb_define_method(mrb, a, "at", mrb_ary_at, MRB_ARGS_REQ(1)); mrb_define_method(mrb, a, "rassoc", mrb_ary_rassoc, MRB_ARGS_REQ(1)); + mrb_define_method(mrb, a, "values_at", mrb_ary_values_at, MRB_ARGS_ANY()); } void diff --git a/mrbgems/mruby-array-ext/test/array.rb b/mrbgems/mruby-array-ext/test/array.rb index b0ad94b38..1fa7cfc04 100644 --- a/mrbgems/mruby-array-ext/test/array.rb +++ b/mrbgems/mruby-array-ext/test/array.rb @@ -280,3 +280,13 @@ assert("Array#select!") do assert_equal [4, 5], a.select! { |val| val > 3 } assert_equal [4, 5], a end + +assert('Array#values_at') do + a = %w{red green purple white none} + + assert_equal %w{red purple none}, a.values_at(0, 2, 4) + assert_equal ['green', 'white', nil, nil], a.values_at(1, 3, 5, 7) + assert_equal ['none', 'white', 'white', nil], a.values_at(-1, -2, -2, -7) + assert_equal ['none', nil, nil, 'red', 'green', 'purple'], a.values_at(4..6, 0...3) + assert_raise(TypeError) { a.values_at 'tt' } +end |
