[Gambas-user] Array slicing - how is it done in Gambas?

[Emil Lenngren]

Sorry to disappoint you, but there is no way (yet) to slice an array.

You can do slicing on strings, with Left, Right and Mid. For example:
Dim str1 As String
Dim str2 As String
str1 = "hello there"
str2 = Mid(str1, 2, 4) ' will point to the same string but with the length
4 and offset 2.
Print str2 ' prints ello

but it is not implemented for arrays.
You can create an own class that wraps an array together with an offset and
length if you want to...

/Emil

2012/10/10 RICHARD WALKER <richard.j.walker at ...247...>

> Let's say I have a string array with 12 elements. I want to pass some
> of these to a function for processing. What notation do I use to
> specify, say, the "sub-array" comprising elements 6, 7 and 8 of the 12
> element array?
>
> At the moment I can only do it by creating a new array of appropriate
> size and copying the required elements into it. An equally ugly
> alterrnative would be to pass the whole array with a couple of index
> variables to define the limits. Or I could copy the whole array and
> delete the unwanted elements.
>
> I was really hoping that my_array[6 To 12] would work, but not in
> Gambas it seems.
>
> Richard
>
>
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