C#•2y ago

✅ array

how can i do this?

18 Replies

gododo•2y ago

i did this drawing as an example since im not good with words basically i gotta remove stuff from the array so like with the var delete it basically removes values inside that array in the end i should still have 7 places available but inside those 5 i deleted there shouldnt be anything left

Servator•2y ago

You can use Range operator

MODiX•2y ago

Toshiya Joshima#3472

REPL Result: Success

var numbers = new[]
{
    1, 2, 3, 4, 5
};

var wantedIndex = numbers[^5];

wantedIndex

var numbers = new[]
{
    1, 2, 3, 4, 5
};

var wantedIndex = numbers[^5];

wantedIndex

Result: int

Compile: 458.835ms | Execution: 56.721ms | React with ❌ to remove this embed.

gododo•2y ago

im confused how did result 1 come up

gododo•2y ago

and what does this mean

Servator•2y ago

^ means from End It starts to count from End From end 5th element

gododo•2y ago

oh i see

Servator•2y ago

which is 1

gododo•2y ago

so the other numbers are gone right but not like the spaces

Servator•2y ago

It's not returnign the value itself It returns index

gododo•2y ago

mtreit•2y ago

arrays are immutable. You can't delete elements from them without making new arrays.

gododo•2y ago

oh alright so when i do an array that has like 10 different values, its size will always be 10 no matter what ?

mtreit•2y ago

You can use Array.Resize to change the size of an existing array. That method will internally make a new array with the desired size and copy the data from the old array into it. Generally, however, if you want an array-like instance that you can grow and shrink, you should use a List<T> and not an array.

gododo•2y ago

alright ty

Servator•2y ago

You can close this thread with /close

gododo•2y ago

i gotta do something first when i dont need it ill close it

Accord•2y ago

Closed!

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✅ array