2009-04-13から1日間の記事一覧
RubyでHashのKeyにArrayやHashを使ってみたところ、値が取り出せなくなった。 irb(main):001:0> a = ["a","b"] => ["a", "b"] irb(main):002:0> c = ["c","d"] => ["c", "d"] irb(main):003:0> h = {a => 100, c => 200} => {["a", "b"]=>100, ["c", "d"]=>2…
RubyでHashのKeyにArrayやHashを使ってみたところ、値が取り出せなくなった。 irb(main):001:0> a = ["a","b"] => ["a", "b"] irb(main):002:0> c = ["c","d"] => ["c", "d"] irb(main):003:0> h = {a => 100, c => 200} => {["a", "b"]=>100, ["c", "d"]=>2…