Copying values from sortedset to array

Question

I'm currently working on a project where i use a sorted set and I then need to put them in an array to iterate over it using index. I came to a strange problem where the CopyTo method wasn't working properly and I'd like to know if there is a real reason for it. My code was:

SortedSet<float> zValuesSet = new SortedSet<float>();

//Insert some values in the set

float[] zValues = new float[zValuesSet.Count];
zValuesSet.CopyTo(zValues);

Using this, i came with an error telling me the I was assigning more values in zValues than its capacity, even if I used the Set.Count to get the capacity. To solve my problem, I used:

List<float> zValuesList = new List<float>(zValuesSet);
float[] zValues = zValuesList.ToArray();

However, this may lead to a cost that (I guess ?) could be avoided using the first method. So I'm wondering about why this happends ?

EDIT : That was my bad, I'm using multiple occurencies of this kind of set and I misspelled it... So the copy to is working well.

How many values do you have inside a zValuesSet? Did you insert some duplicate values? Because I can't reproduce with few simple values — Pavel Anikhouski
– Pavel Anikhouski, Commented May 20, 2020 at 11:22

Ricardo Pontual · Accepted Answer · 2020-05-20 11:49:40Z

1

You can directly convert to an array this way:

 SortedSet<float> zValuesSet = new SortedSet<float> { 1, 2, 3 };

 float[] zValues = zValuesSet.ToArray();

Here working: https://ideone.com/xphVAJ

edited May 20, 2020 at 11:49

answered May 20, 2020 at 11:31

Ricardo Pontual

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4 Comments

Infenix Over a year ago

That's what i wanted to use at first but I get an error when writing it, saying this is not defined for SortedSet

Ricardo Pontual Over a year ago

which version of framework are you using? I tested here and it´s working with core 2.0

Ricardo Pontual Over a year ago

I've tested with .net standard and core and worked fine, I think you're missing a using System.Linq. Moreover, it also worked with CopyTo

Infenix Over a year ago

Was not using System.Linq, that's much better now thanks

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