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Further clarify in-memory arrays

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Chris Ward 2019-01-20 19:11:24 +02:00
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docs/types/reference-types.rst
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@ -132,7 +132,7 @@ The numeric index becomes a required parameter for the getter.
Allocating Memory Arrays Allocating Memory Arrays
^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^
You can use the ``new`` keyword to create arrays with a runtime-dependent length in memory. You must use the ``new`` keyword to create arrays with a runtime-dependent length in memory.
As opposed to storage arrays, it is **not** possible to resize memory arrays (e.g. by assigning to As opposed to storage arrays, it is **not** possible to resize memory arrays (e.g. by assigning to
the ``.length`` member). You either have to calculate the required size in advance the ``.length`` member). You either have to calculate the required size in advance
or create a new memory array and copy every element. or create a new memory array and copy every element.