2016-03-26 00:47:20 +01:00
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# types
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2016-06-14 23:20:45 +02:00
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A *type* refers to a class of data and the operations permitted on that class of data.
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The following built-in types are supported for the BBC micro:bit:
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2016-03-26 00:47:20 +01:00
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2016-04-13 17:27:45 +02:00
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* **[String](/reference/types/string)**: a sequence of characters
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* **[Number](/reference/types/number)**: an integer number (32-bit signed)
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* **[Boolean](/reference/types/boolean)**: true or false
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* **[Image](/blocks/image)**: a collection of [micro:bit LED states](/device/screen) (on/off)
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2016-03-26 00:47:20 +01:00
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2016-06-14 23:20:45 +02:00
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TypeScript allows you to create user-defined classes of data.
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2016-03-26 00:47:20 +01:00
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