C# (CSharp) MyDSL And示例

示例#1

 protected override string VisitAnd(And a)
 {
     return("(" + Visit(a.Left) + " & " + Visit(a.Right) + ")");
 }

示例#2

 protected abstract R VisitAnd(And a);

示例#3

 protected override bool VisitAnd(And a)
 {
     return(Visit(a.Left) && Visit(a.Right));
 }