2015-01-24 23:21:50 -08:00
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var map = {}
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2015-09-15 07:46:09 -07:00
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System.print(map.count) // expect: 0
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2015-01-24 22:27:35 -08:00
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map["one"] = "value"
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2015-09-15 07:46:09 -07:00
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System.print(map.count) // expect: 1
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2015-01-24 22:27:35 -08:00
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map["two"] = "value"
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2015-09-15 07:46:09 -07:00
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System.print(map.count) // expect: 2
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2015-01-24 22:27:35 -08:00
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map["three"] = "value"
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2015-09-15 07:46:09 -07:00
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System.print(map.count) // expect: 3
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2015-01-24 22:27:35 -08:00
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// Adding existing key does not increase count.
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map["two"] = "new value"
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2015-09-15 07:46:09 -07:00
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System.print(map.count) // expect: 3
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