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rawpatchinlineside by side (parent: 80646a7)
rawpatchinlineside by side (parent: 80646a7)
| author | Jun Hiroe <[email protected]> | |
| Fri, 18 Apr 2014 13:28:42 +0000 (18 22:28 +0900) | ||
| committer | Jun Hiroe <[email protected]> | |
| Fri, 18 Apr 2014 14:13:10 +0000 (18 23:13 +0900) |
| mrbgems/mruby-array-ext/mrblib/array.rb | patchblobblamehistory | |
| mrbgems/mruby-array-ext/test/array.rb | patchblobblamehistory |
##
# call-seq:
- # ary.uniq -> new_ary
+ # ary.uniq -> new_ary
+ # ary.uniq { |item| ... } -> new_ary
#
# Returns a new array by removing duplicate values in +self+.
#
# a = [ "a", "a", "b", "b", "c" ]
# a.uniq #=> ["a", "b", "c"]
#
- def uniq
+ # b = [["student","sam"], ["student","george"], ["teacher","matz"]]
+ # b.uniq { |s| s.first } # => [["student", "sam"], ["teacher", "matz"]]
+ #
+ def uniq(&block)
ary = self.dup
- ary.uniq!
+ if block
+ ary.uniq!(&block)
+ else
+ ary.uniq!
+ end
ary
end
a = [1, 2, 3, 1]
assert_equal [1, 2, 3], a.uniq
assert_equal [1, 2, 3, 1], a
+
+ b = [["student","sam"], ["student","george"], ["teacher","matz"]]
+ assert_equal [["student", "sam"], ["teacher", "matz"]], b.uniq { |s| s.first }
end
assert("Array#-") do