usingSystem;namespaceExpressionBodiedMembers;publicclassPerson{publicPerson(stringfirstName,stringlastName){ fname = firstName; lname = lastName; }privatestringfname;privatestringlname;publicoverridestringToString()=>$"{fname}{lname}".Trim();publicvoidDisplayName()=> Console.WriteLine(ToString());...
"Adult" : "Minor"; } // Non-record type example with expression-bodied members public class RegularPerson { private int _age; public RegularPerson(int age) => _age = age; // Expression-bodied constructor (not valid in non-record types before C# 9.0) // Note: This line is for ...
usingSystem;namespaceExpressionBodiedMembers;publicclassPerson{publicPerson(stringfirstName,stringlastName){ fname = firstName; lname = lastName; }privatestringfname;privatestringlname;publicoverridestringToString()=>$"{fname}{lname}".Trim();publicvoidDisplayName()=> Console.WriteLine(ToString());...
usingSystem;namespaceExpressionBodiedMembers;publicclassPerson{publicPerson(stringfirstName,stringlastName){ fname = firstName; lname = lastName; }privatestringfname;privatestringlname;publicoverridestringToString()=>$"{fname}{lname}".Trim();publicvoidDisplayName()=> Console.WriteLine(ToString());...
C# 中有一种简写方式叫做 expression bodyhttps://learn.microsoft.com/en-us/dotnet/csharp/programming-guide/statements-expressions-operators/expression-bodied-members 即使用操作符 => 代替只有一行代码的一些场合,省去了return 即 {} ,坦率的说我不是很喜欢这些语法糖,但是我不用不代表别人不用,也就是说在...
Expression-bodied members are another set of features that simply add some syntactic convenience to C# to continue streamlining type definitions. C# type definitions have always been a bit tedious, requiring us to provide curly braces and explicit returns even when the function consists of only a ...
C# 6: Expression Bodied Members Simplify Your CodeBill Wagner
Expression bodied members were introduced in C# 6.0 where the syntactical expression of the method can be written in a simpler way. In C# 7.0, we can use this feature with a constructor, a destructor, an exception, and so on. The following example shows how the constructor and destructor sy...
C# 7.0 introduces expression bodied constructors, destructors, getters and setters. This blog bpost goes through all these new expression bodied members and shows how to use them. Also a little peek behind the compilator curtains is made.
表达体功能成员允许使用 lambda 表达式作为成员体。对于简单的成员,它可以使代码更清晰,更易读。表达式功能可用于属性,索引器,方法和运算符。属性public decimal TotalPrice => BasePrice + Taxes; 相当于:public decimal TotalPrice { get { return BasePrice + Taxes; } }...