2017-01-27 00:45:30 +03:00
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# String operations which don't require allocation
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import micropython
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micropython.heap_lock()
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2017-03-22 22:17:52 +03:00
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# Concatenating empty string returns original string
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2017-01-27 00:45:30 +03:00
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b"" + b""
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b"" + b"1"
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b"2" + b""
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"" + ""
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"" + "1"
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"2" + ""
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2017-03-22 22:17:52 +03:00
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# If no replacements done, returns original string
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"foo".replace(",", "_")
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2017-01-27 00:45:30 +03:00
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micropython.heap_unlock()
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