WebCertain immutable collections have a Builder inner class that can be used to cheaply build large immutable instances: var builder = ImmutableList.CreateBuilder (); // returns … WebMore modern solution. Unless you need the internal collection to be mutable, you could use the System.Collections.Immutable package, change your field type to be an immutable collection, and then expose that directly - assuming Foo itself is immutable, of course.. Updated answer to address the question more directly
使いこなせていなかった`System.Collections.Immutable` - Qiita
WebMay 27, 2024 · クラスライブラリの中身 System.Collections.Immutable 名前空間には、一通りのコレクション系クラスが揃っています。 インスタンスの生成 これらのクラスはコンストラクタ持ちません。 代わりに対応する静的クラスの ファクトリメソッド Create () からインスタンス生成 をしましょう。 Immutableなリストの生成 var list = … Web本文是小编为大家收集整理的关于如何解决java.lang.ClassCastException:无法将scala.collection.immutable.List的实例分配给字段类型scala.collection.Seq? 的处理/解决方法,可以参考本文帮助大家快速定位并解决问题,中文翻译不准确的可切换到 English 标签 … building a nation social studies book online
Using immutable collections for thread-safe read-only …
WebNov 2, 2024 · An immutable object is an object that often represents a single logical structure of data (for example an immutable string). When you have a reference to an immutable object, the contents of the object will not change. An immutable collection is a collection that never changes. WebAug 21, 2011 · Immutable: a collection or type that cannot be changed at all, but can be efficiently mutated by allocating a new collection that shares much of the same memory … WebSep 10, 2013 · You could also override the list class that you're using and put an immutable flag in one of the constructors such that it will not add/remove if it was constructed with the immutable flag set to true. Share Improve this answer Follow edited Nov 19, 2009 at 16:11 Peter Mortensen 31k 21 105 126 answered Nov 19, 2009 at 14:44 … building an atom phet answer key