« CSharp 7.1 » : différence entre les versions

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Ligne 22 : Ligne 22 :
list.Select(x => (x.P1, x.P2));
list.Select(x => (x.P1, x.P2));
</kode>
</kode>
= [https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/proposals/csharp-7.1/generics-pattern-match Pattern-matching with generics] =
[[CSharp_7#Pattern_matching|C# 7.0 Pattern matching]]

Dernière version du 15 décembre 2021 à 16:50

Async Main

Program.cs
// the following methods are now allowed entrypoints:
static async Task Main() { }
static async Task Main(string[] args) { }
static async Task<int> Main() { }
static async Task<int> Main(string[] args) { }

Target-typed "default" literal

Cs.svg
int i = default(int);
// is replaced by (its type is inferred by target-typing instead)
int i = default;

Infer tuple names

Cs.svg
list.Select(x => (P1: x.P1, P2: x.P2));
// is replaced by (tuple names are inferred)
list.Select(x => (x.P1, x.P2));

Pattern-matching with generics

C# 7.0 Pattern matching