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rawpatchinlineside by side (parent: d12926d)
rawpatchinlineside by side (parent: d12926d)
| author | Yukihiro "Matz" Matsumoto <[email protected]> | |
| Thu, 1 Oct 2015 13:35:06 +0000 (1 22:35 +0900) | ||
| committer | Yukihiro "Matz" Matsumoto <[email protected]> | |
| Thu, 1 Oct 2015 13:35:06 +0000 (1 22:35 +0900) |
| mrbgems/mruby-array-ext/mrblib/array.rb | patchblobblamehistory | |
| mrbgems/mruby-array-ext/test/array.rb | patchblobblamehistory | |
| src/array.c | patchblobblamehistory |
return nil if self.size == result.size
self.replace(result)
end
+
+ ##
+ # call-seq:
+ # ary.index(val) -> int or nil
+ # ary.index {|item| block } -> int or nil
+ #
+ # Returns the _index_ of the first object in +ary+ such that the object is
+ # <code>==</code> to +obj+.
+ #
+ # If a block is given instead of an argument, returns the _index_ of the
+ # first object for which the block returns +true+. Returns +nil+ if no
+ # match is found.
+ #
+ # ISO 15.2.12.5.14
+ def index(val=NONE, &block)
+ return to_enum(:find_index, val) if !block && val == NONE
+
+ if block
+ idx = 0
+ self.each do |*e|
+ return idx if block.call(*e)
+ idx += 1
+ end
+ else
+ return self.__ary_index(val)
+ end
+ nil
+ end
end
assert_raise(TypeError) { [1].to_h }
assert_raise(ArgumentError) { [[1]].to_h }
end
+
+assert("Array#index (block)") do
+ assert_nil (1..10).to_a.index { |i| i % 5 == 0 and i % 7 == 0 }
+ assert_equal 34, (1..100).to_a.index { |i| i % 5 == 0 and i % 7 == 0 }
+end
diff --git a/src/array.c b/src/array.c
--- a/src/array.c
+++ b/src/array.c
mrb_define_method(mrb, a, "__ary_eq", mrb_ary_eq, MRB_ARGS_REQ(1));
mrb_define_method(mrb, a, "__ary_cmp", mrb_ary_cmp, MRB_ARGS_REQ(1));
+ mrb_define_method(mrb, a, "__ary_index", mrb_ary_index_m, MRB_ARGS_REQ(1)); /* kept for mruby-array-ext */
}