class MyClass { private readonly string myStr; public MyClass(string str) { myStr = str; } public string GetStr { get { return myStr; } } } C# Copy In this easy way, we can create the immutable class in C#. It is purely based on our project requirement which says it is better...
2. interface的引入是为了部分地提供多继承的功能。在interface中只需声明方法头,而将方法体留给实现的class来做。这些实现的class的实例完全可以当作interface的实例来对待。在interface之间也可以声明为extends(多继承)的关系。注意一个interface可以extends多个其他interface。 3.implements 也是实现父类和子类之间继承关系...
NSMutableArray *aMutableArray = [[NSMutableArray alloc]init]; [anArray addObject:@"firstobject"]; NSArray *aImmutableArray = [[NSArray alloc] initWithObjects:@"firstObject",nil]; 词典 NSMutableDictionary和NSDictionary是Objective中使用的字典,前者可变词典,后者不可变词典,如下所示: NSMutableDictionary...
{ name,0.0};// C2552// initialize a CLR immutable value type that has a constructorSystem::DateTime dt = {2001,4,12,22,16,49,844};// C2552Pair_Correct1pair2( name,0.0); Pair_Correct1 pair3 = Pair_Correct1( name,0.0); Pair_Correct2 pair4 = { name,0.0}; System::DateTimedt2...
ParseText(String, CSharpParseOptions, String, Encoding, ImmutableDictionary<String,ReportDiagnostic>, Nullable<Boolean>, CancellationToken) Obsolete. Produces a syntax tree by parsing the source text. ToString() Returns aStringthat represents the entire source text of thisSyntaxTree. ...
The compilation object is an immutable representation of a single invocation of the compiler. Although immutable, a compilation is also on-demand, and will realize and cache data as necessary. A compilation can produce a new compilation from existing com
序号 结构体(struct) 类(class) 1 结构体是值类型,可以在栈(stack)上分配,也可以在包含类型中内联分配。...这样,结构体(struct)只能在确定以下情形时使用:它在逻辑上表示单个值,比如基本类型(int, double,等等)。它是不可变的(immutable)。它不会频繁地装箱和拆箱。...“基于值的相等”这一点和 C# 9.0 ...
NSMutableDictionary*aMutableDictionary = [[NSMutableArray alloc]init]; [aMutableDictionary setObject:@"firstobject" forKey:@"aKey"]; NSDictionary*aImmutableDictionary= [[NSDictionary alloc]initWithObjects:[NSArray arrayWithObjects: @"firstObject",nil] forKeys:[ NSArray arrayWithObjects:@"aKey"]];iOS...
ImmutableDescriptor 中的方法 返回一个与此描述符相等的描述符。 clone() - 类 javax.management.MBeanAttributeInfo 中的方法 返回此实例的浅表副本。 clone() - 类 javax.management.MBeanConstructorInfo 中的方法 返回此实例的浅表副本。 clone() - 类 javax.management.MBeanInfo 中的方法 返回此...
{ name,0.0};// C2552// initialize a CLR immutable value type that has a constructorSystem::DateTime dt = {2001,4,12,22,16,49,844};// C2552Pair_Correct1pair2( name,0.0); Pair_Correct1 pair3 = Pair_Correct1( name,0.0); Pair_Correct2 pair4 = { name,0.0}; System::DateTimedt2...