RSCG – Sera.Union
RSCG – Sera.Union
name | Sera.Union |
nuget | https://www.nuget.org/packages/Sera.Union/ |
link | https://github.com/sera-net/Sera.Union |
author | Sera |
Generate tagged union
This is how you can use Sera.Union .
The code that you start with is
01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 | < Project Sdk = "Microsoft.NET.Sdk" > < PropertyGroup > < OutputType >Exe</ OutputType > < TargetFramework >net8.0</ TargetFramework > < ImplicitUsings >enable</ ImplicitUsings > < Nullable >enable</ Nullable > </ PropertyGroup > < PropertyGroup > < EmitCompilerGeneratedFiles >true</ EmitCompilerGeneratedFiles > < CompilerGeneratedFilesOutputPath >$(BaseIntermediateOutputPath)\GX</ CompilerGeneratedFilesOutputPath > </ PropertyGroup > < ItemGroup > < PackageReference Include = "Sera.Union" Version = "0.7.0" /> </ ItemGroup > </ Project > |
The code that you will use is
01 02 03 04 05 06 07 08 09 10 11 | using UnionTypesDemo; Console.WriteLine( "Save or not" ); var data = SaveToDatabase.Save(0); Console.WriteLine(data.IsNotFound); data = SaveToDatabase.Save(1); if (data.IsOk) { Console.WriteLine(data.Tag); Console.WriteLine(data.Ok); } |
The code that is generated is
001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033 034 035 036 037 038 039 040 041 042 043 044 045 046 047 048 049 050 051 052 053 054 055 056 057 058 059 060 061 062 063 064 065 066 067 068 069 070 071 072 073 074 075 076 077 078 079 080 081 082 083 084 085 086 087 088 089 090 091 092 093 094 095 096 097 098 099 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | // <auto-generated/> #nullable enable using Sera.TaggedUnion; namespace UnionTypesDemo { public partial struct ResultSave : global::Sera.TaggedUnion.ITaggedUnion , global::System.IEquatable<ResultSave> , global::System.IComparable<ResultSave> #if NET7_0_OR_GREATER , global::System.Numerics.IEqualityOperators<ResultSave, ResultSave, bool > , global::System.Numerics.IComparisonOperators<ResultSave, ResultSave, bool > #endif { private __impl_ _impl; private ResultSave(__impl_ _impl) { this ._impl = _impl; } public readonly Tags Tag { [global::System.Runtime.CompilerServices.MethodImpl(global::System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] get => this ._impl._tag; } public enum Tags : byte { Ok = 1, NotFound = 2, } [global::System.Runtime.CompilerServices.CompilerGenerated] private struct __impl_ { public __unmanaged_ _unmanaged_; public readonly Tags _tag; [global::System.Runtime.CompilerServices.CompilerGenerated] [global::System.Runtime.InteropServices.StructLayout(global::System.Runtime.InteropServices.LayoutKind.Explicit)] internal struct __unmanaged_ { [global::System.Runtime.InteropServices.FieldOffset(0)] public int _0; } public __impl_(Tags _tag) { global::System.Runtime.CompilerServices.Unsafe.SkipInit( out this ._unmanaged_); this ._tag = _tag; } } [global::System.Runtime.CompilerServices.MethodImpl(global::System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] public static ResultSave MakeOk( int value) { var _impl = new __impl_(Tags.Ok); _impl._unmanaged_._0 = value; return new ResultSave(_impl); } [global::System.Runtime.CompilerServices.MethodImpl(global::System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] public static ResultSave MakeNotFound() { var _impl = new __impl_(Tags.NotFound); return new ResultSave(_impl); } public readonly bool IsOk { [global::System.Runtime.CompilerServices.MethodImpl(global::System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] get => this ._impl._tag == Tags.Ok; } public readonly bool IsNotFound { [global::System.Runtime.CompilerServices.MethodImpl(global::System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] get => this ._impl._tag == Tags.NotFound; } public int Ok { [global::System.Runtime.CompilerServices.MethodImpl(global::System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] readonly get => ! this .IsOk ? default ! : this ._impl._unmanaged_._0!; [global::System.Runtime.CompilerServices.MethodImpl(global::System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] set { if ( this .IsOk) { this ._impl._unmanaged_._0 = value; } } } [global::System.Runtime.CompilerServices.MethodImpl(global::System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] public readonly bool Equals(ResultSave other) => this .Tag != other.Tag ? false : this .Tag switch { Tags.Ok => global::System.Collections.Generic.EqualityComparer< int >.Default.Equals( this .Ok, other.Ok), _ => true , }; [global::System.Runtime.CompilerServices.MethodImpl(global::System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] public readonly override int GetHashCode() => this .Tag switch { Tags.Ok => global::System.HashCode.Combine( this .Tag, this .Ok), _ => global::System.HashCode.Combine( this .Tag), }; [global::System.Runtime.CompilerServices.MethodImpl(global::System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] public readonly override bool Equals( object ? obj) => obj is ResultSave other && Equals(other); [global::System.Runtime.CompilerServices.MethodImpl(global::System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] public static bool operator ==(ResultSave left, ResultSave right) => Equals(left, right); [global::System.Runtime.CompilerServices.MethodImpl(global::System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] public static bool operator !=(ResultSave left, ResultSave right) => !Equals(left, right); [global::System.Runtime.CompilerServices.MethodImpl(global::System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] public readonly int CompareTo(ResultSave other) => this .Tag != other.Tag ? global::System.Collections.Generic.Comparer<Tags>.Default.Compare( this .Tag, other.Tag) : this .Tag switch { Tags.Ok => global::System.Collections.Generic.Comparer< int >.Default.Compare( this .Ok, other.Ok), _ => 0, }; [global::System.Runtime.CompilerServices.MethodImpl(global::System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] public static bool operator <(ResultSave left, ResultSave right) => left.CompareTo(right) < 0; [global::System.Runtime.CompilerServices.MethodImpl(global::System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] public static bool operator >(ResultSave left, ResultSave right) => left.CompareTo(right) > 0; [global::System.Runtime.CompilerServices.MethodImpl(global::System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] public static bool operator <=(ResultSave left, ResultSave right) => left.CompareTo(right) <= 0; [global::System.Runtime.CompilerServices.MethodImpl(global::System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] public static bool operator >=(ResultSave left, ResultSave right) => left.CompareTo(right) >= 0; [global::System.Runtime.CompilerServices.MethodImpl(global::System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] public readonly override string ToString() => this .Tag switch { Tags.Ok => $ "{nameof(ResultSave)}.{nameof(Tags.Ok)} {{ {this.Ok} }}" , Tags.NotFound => $ "{nameof(ResultSave)}.{nameof(Tags.NotFound)}" , _ => nameof(ResultSave), }; } } // namespace UnionTypesDemo |
Code and pdf at
https://ignatandrei.github.io/RSCG_Examples/v2/docs/Sera.Union
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