41 lines
1.0 KiB
Forth
41 lines
1.0 KiB
Forth
namespace AdventOfCode2023.ResizeArray
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open System
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type ResizeArray<'T> =
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private
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{
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mutable Array : 'T array
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mutable Length : int
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}
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member this.Count = this.Length
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member this.Clear () = this.Length <- 0
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member this.Add (t : 'T) =
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if this.Length < this.Array.Length then
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this.Array.[this.Length] <- t
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else
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let newLength = this.Length * 2
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let newArray = Array.zeroCreate<'T> newLength
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Array.blit this.Array 0 newArray 0 this.Length
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newArray.[this.Length] <- t
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this.Array <- newArray
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this.Length <- this.Length + 1
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member this.Item
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with get (i : int) = this.Array.[i]
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and set (i : int) (t : 'T) = this.Array.[i] <- t
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member this.Sort () =
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Span(this.Array).Slice(0, this.Count).Sort ()
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[<RequireQualifiedAccess>]
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module ResizeArray =
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let create<'T> (capacity : int) =
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{
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Array = Array.zeroCreate<'T> capacity
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Length = 0
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}
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