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Adjusting array section to be more accurate

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The default array object is mutable, but is of a fixed length. Changing comments to better reflect that.
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Andrew Ryan Davis 2020-08-16 14:58:29 -07:00
parent f67ae9b311
commit 5c79b4288c
1 changed files with 4 additions and 3 deletions
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powershell.html.markdown
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@ -183,11 +183,12 @@ $someVariable # => 5
# Ternary Operators exist in Powershell 7 and up # Ternary Operators exist in Powershell 7 and up
0 ? 'yes' : 'no' # => no 0 ? 'yes' : 'no' # => no
# The default array object in Powershell is an immutable array # The default array object in Powershell is an fixed length array
$defaultArray = "thing","thing2","thing3" $defaultArray = "thing","thing2","thing3"
# you are unable to add or remove objects # you can add objects with '+=', but cannot remove objects
$defaultArray.Add("thing4") # => Exception "Collection was of a fixed size." $defaultArray.Add("thing4") # => Exception "Collection was of a fixed size."
# To have a mutable array, you will need to use the .NET ArrayList class # To have a more workable array, you'll want the .NET [ArrayList] class
# It is also worth noting that ArrayLists are significantly faster
# ArrayLists store sequences # ArrayLists store sequences
[System.Collections.ArrayList]$array = @() [System.Collections.ArrayList]$array = @()