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UInt32 F# snippets (#8046)
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‎snippets/fsharp/System/UInt16/TryParse/fs.fsproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net6.0</TargetFramework>
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</PropertyGroup>
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<ItemGroup>
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<Compile Include="tryparse11.fs" />
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<Compile Include="tryparse21.fs" />
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</ItemGroup>
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</Project>

‎snippets/fsharp/System/UInt16/TryParse/tryparse11.fs‎

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module tryparse11
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open System
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// <Snippet1>
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let numericStrings =
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[ "1293.8"; "+1671.7"; "28347."
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" 33113684 "; "(0)"; "-0"; "-1"
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"+1293617"; "18-"; "119870"; "31,024"
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" 3127094 "; "00700000" ]
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for numericString in numericStrings do
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match UInt32.TryParse numericString with
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| true, number ->
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printfn $"Converted '{numericString}' to {number}."
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| _ ->
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printfn $"Cannot convert '{numericString}' to a UInt32."
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// The example displays the following output:
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// Cannot convert '1293.8' to a UInt32.
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// Cannot convert '+1671.7' to a UInt32.
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// Cannot convert '28347.' to a UInt32.
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// Converted ' 33113684 ' to 33113684.
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// Cannot convert '(0)' to a UInt32.
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// Converted '-0' to 0.
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// Cannot convert '-1' to a UInt32.
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// Converted '+1293617' to 1293617.
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// Cannot convert '18-' to a UInt32.
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// Converted '119870' to 119870.
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// Cannot convert '31,024' to a UInt32.
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// Converted ' 3127094 ' to 3127094.
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// Converted '0070000' to 70000.
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// </Snippet1>

‎snippets/fsharp/System/UInt16/TryParse/tryparse21.fs‎

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module tryparse21
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// <Snippet2>
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open System
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open System.Globalization
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let callTryParse (stringToConvert: string) (styles: NumberStyles) =
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match UInt32.TryParse(stringToConvert, styles, CultureInfo.InvariantCulture) with
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| true, number ->
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printfn $"Converted '{stringToConvert}' to {number}."
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printfn $"Attempted conversion of '{stringToConvert}' failed."
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| _ -> ()
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do
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let numericString = "2106034"
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let styles = NumberStyles.Integer
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callTryParse numericString styles
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let numericString = "-10603"
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let styles = NumberStyles.None
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callTryParse numericString styles
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let numericString = "29103674.00"
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let styles = NumberStyles.Integer ||| NumberStyles.AllowDecimalPoint
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callTryParse numericString styles
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let numericString = "10345.72"
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let styles = NumberStyles.Integer ||| NumberStyles.AllowDecimalPoint
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callTryParse numericString styles
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let numericString = "41792210E-01"
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let styles = NumberStyles.Integer ||| NumberStyles.AllowExponent
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callTryParse numericString styles
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let numericString = "9112E-01"
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callTryParse numericString styles
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let numericString = "312E01"
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callTryParse numericString styles
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let numericString = "FFC86DA1"
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callTryParse numericString NumberStyles.HexNumber
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let numericString = "0x8F8C"
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callTryParse numericString NumberStyles.HexNumber
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// The example displays the following output:
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// Converted '2106034' to 2106034.
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// Attempted conversion of '-10603' failed.
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// Converted '29103674.00' to 29103674.
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// Attempted conversion of '10345.72' failed.
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// Converted '41792210E-01' to 4179221.
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// Attempted conversion of '9112E-01' failed.
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// Converted '312E01' to 3120.
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// Converted 'FFC86DA1' to 4291325345.
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// Attempted conversion of '0x8F8C' failed.
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// </Snippet2>

‎snippets/fsharp/System/UInt32/CompareTo/fs.fsproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net6.0</TargetFramework>
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</PropertyGroup>
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<ItemGroup>
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<Compile Include="source.fs" />
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</ItemGroup>
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</Project>

‎snippets/fsharp/System/UInt32/CompareTo/source.fs‎

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namespace Snippets2
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open System
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//<snippet2>
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type Temperature() =
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// The value holder
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let mutable m_value = 0u
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static member MinValue =
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UInt32.MinValue
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static member MaxValue =
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UInt32.MaxValue
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member _.Value
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with get () =
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m_value
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and set (v) =
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m_value <- v
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//</snippet2>
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namespace Snippets3
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open System
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//<snippet3>
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type Temperature() =
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// The value holder
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let mutable m_value = 0u
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member _.Value
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with get () =
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m_value
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and set (v) =
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m_value <- v
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interface IComparable with
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/// IComparable.CompareTo implementation.
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member _.CompareTo(obj) =
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match obj with
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| :? Temperature as temp ->
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m_value.CompareTo temp.Value
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| _ ->
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invalidArg "obj" "object is not a Temperature"
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//</snippet3>

‎snippets/fsharp/System/UInt32/Equals/equalsoverl.fs‎

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module equalsoverl
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// <Snippet1>
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let value = 112u
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let testObjectForEquality (obj: obj) =
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printfn $"{value} ({value.GetType().Name}) = {obj} ({obj.GetType().Name}): {value.Equals obj}\n"
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let byte1 = 112uy
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printfn $"value = byte1: {value.Equals byte1,16}"
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testObjectForEquality byte1
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let short1 = 112s
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printfn $"value = short1: {value.Equals short1,17}"
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testObjectForEquality short1
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let long1 = 112L
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printfn $"value = long1: {value.Equals long1,18}"
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testObjectForEquality long1
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let sbyte1 = 112y
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printfn $"value = sbyte1: {value.Equals sbyte1,17}"
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testObjectForEquality sbyte1
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let ushort1 = 112us
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printfn $"value = ushort1: {value.Equals ushort1,16}"
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testObjectForEquality ushort1
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let ulong1 = 112uL
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printfn $"value = ulong1: {value.Equals ulong1,18}"
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testObjectForEquality ulong1
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let dec1 = 112m
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printfn $"value = dec1: {value.Equals dec1,21}"
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testObjectForEquality dec1
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let dbl1 = 112.
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printfn $"value = dbl1: {value.Equals dbl1,20}"
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testObjectForEquality dbl1
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// The example displays the following output:
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// value = byte1: True
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// 112 (UInt32) = 112 (Byte): False
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//
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// value = short1: False
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// 112 (UInt32) = 112 (Int16): False
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//
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// value = long1: False
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// 112 (UInt32) = 112 (Int64): False
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//
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// value = sbyte1: False
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// 112 (UInt32) = 112 (SByte): False
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//
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// value = ushort1: True
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// 112 (UInt32) = 112 (UInt16): False
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//
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// value = ulong1: False
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// 112 (UInt32) = 112 (UInt64): False
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//
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// value = dec1: False
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// 112 (UInt32) = 112 (Decimal): False
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//
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// value = dbl1: False
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// 112 (UInt32) = 112 (Double): False
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// </Snippet1>

‎snippets/fsharp/System/UInt32/Equals/fs.fsproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net6.0</TargetFramework>
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</PropertyGroup>
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<ItemGroup>
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<Compile Include="uint32_equals.fs" />
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<Compile Include="equalsoverl.fs" />
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</ItemGroup>
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</Project>

‎snippets/fsharp/System/UInt32/Equals/uint32_equals.fs‎

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module uint32_equals
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// <Snippet1>
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let myVariable1 = 20u
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let myVariable2 = 20u
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// Display the declaring type.
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printfn $"\nType of 'myVariable1' is '{myVariable1.GetType()}' and value is :{myVariable1}"
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printfn $"Type of 'myVariable2' is '{myVariable2.GetType()}' and value is :{myVariable2}"
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// Compare 'myVariable1' instance with 'myVariable2' Object.
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if myVariable1.Equals myVariable2 then
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printfn $"\nStructures 'myVariable1' and 'myVariable2' are equal"
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else
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printfn $"\nStructures 'myVariable1' and 'myVariable2' are not equal"
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// </Snippet1>

‎snippets/fsharp/System/UInt32/MaxValue/MaxValue1.fs‎

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open System
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// <Snippet1>
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let longValue = Int64.MaxValue / 2L
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if longValue <= int64 UInt32.MaxValue && longValue >= int64 UInt32.MinValue then
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let integerValue = uint longValue
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printfn $"Converted long integer value to {integerValue:n0}."
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else
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let rangeLimit, relationship =
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if longValue > int64 UInt32.MaxValue then
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UInt32.MaxValue, "greater"
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else
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UInt32.MinValue, "less"
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printfn $"Conversion failure: {longValue:n0} is {relationship} than {rangeLimit:n0}"
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// </Snippet1>

‎snippets/fsharp/System/UInt32/MaxValue/fs.fsproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net6.0</TargetFramework>
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</PropertyGroup>
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<ItemGroup>
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<Compile Include="MaxValue1.fs" />
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</ItemGroup>
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</Project>

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