C# Language Specification - Willy .Net

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<strong>C#</strong> LANGUAGE SPECIFICATIONencompassing S to a type encompassed by T. If U is empty, the conversion is undefined and a compiletimeerror occurs.• Find the most specific source type, S X , of the operators in U:If any of the operators in U convert from S, then S X is S.Otherwise, S X is the most encompassed type in the combined set of source types of the operators in U. If nomost encompassed type can be found, then the conversion is ambiguous and a compile-time error occurs.• Find the most specific target type, T X , of the operators in U:If any of the operators in U convert to T, then T X is T.Otherwise, T X is the most encompassing type in the combined set of target types of the operators in U. If nomost encompassing type can be found, then the conversion is ambiguous and a compile-time error occurs.• If U contains exactly one user-defined conversion operator that converts from S X to T X , then this is themost specific conversion operator. If no such operator exists, or if more than one such operator exists,then the conversion is ambiguous and a compile-time error occurs. Otherwise, the user-definedconversion is applied:If S is not S X , then a standard implicit conversion from S to S X is performed.The most specific user-defined conversion operator is invoked to convert from S X to T X .If T X is not T, then a standard implicit conversion from T X to T is performed.13.4.4 User-defined explicit conversionsA user-defined explicit conversion from type S to type T is processed as follows:• Find the set of types, D, from which user-defined conversion operators will be considered. This setconsists of S (if S is a class or struct), the base classes of S (if S is a class), T (if T is a class or struct),and the base classes of T (if T is a class).• Find the set of applicable user-defined conversion operators, U. This set consists of the user-definedimplicit or explicit conversion operators declared by the classes or structs in D that convert from a typeencompassing or encompassed by S to a type encompassing or encompassed by T. If U is empty, theconversion is undefined and a compile-time error occurs.• Find the most specific source type, S X , of the operators in U:If any of the operators in U convert from S, then S X is S.Otherwise, if any of the operators in U convert from types that encompass S, then S X is the mostencompassed type in the combined set of source types of those operators. If no most encompassed type canbe found, then the conversion is ambiguous and a compile-time error occurs.Otherwise, S X is the most encompassing type in the combined set of source types of the operators in U. If nomost encompassing type can be found, then the conversion is ambiguous and a compile-time error occurs.• Find the most specific target type, T X , of the operators in U:If any of the operators in U convert to T, then T X is T.Otherwise, if any of the operators in U convert to types that are encompassed by T, then T X is the mostencompassing type in the combined set of target types of those operators. If no most encompassing type canbe found, then the conversion is ambiguous and a compile-time error occurs.Otherwise, T X is the most encompassed type in the combined set of target types of the operators in U. If nomost encompassed type can be found, then the conversion is ambiguous and a compile-time error occurs.• If U contains exactly one user-defined conversion operator that converts from S X to T X , then this is themost specific conversion operator. If no such operator exists, or if more than one such operator exists,120
Chapter 13 Conversionsthen the conversion is ambiguous and a compile-time error occurs. Otherwise, the user-definedconversion is applied:If S is not S X , then a standard explicit conversion from S to S X is performed.The most specific user-defined conversion operator is invoked to convert from S X to T X .If T X is not T, then a standard explicit conversion from T X to T is performed.121
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Standard ECMA-3342nd edition - Dece
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Brief historyThis International Sta
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C# LANGUAGE SPECIFICATION9.3.3 Whit
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Table of Contents18.3.5 Boxing and
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Table of ContentsA.2.12 Attributes.
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Chapter 1 Scope1. ScopeThis clause
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C# LANGUAGE SPECIFICATIONA conformi
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Chapter 4 Definitions4. Definitions
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Chapter 5 Notational conventions5.
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Chapter 7 General description7. Gen
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C# LANGUAGE SPECIFICATION• The pr
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C# LANGUAGE SPECIFICATIONresults in
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C# LANGUAGE SPECIFICATION8.2.3 Arra
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C# LANGUAGE SPECIFICATIONclass Test
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C# LANGUAGE SPECIFICATIONpre: x = 1
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C# LANGUAGE SPECIFICATION}public vo
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C# LANGUAGE SPECIFICATIONPrecedence
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C# LANGUAGE SPECIFICATIONdo stateme
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C# LANGUAGE SPECIFICATION}}set {MyF
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C# LANGUAGE SPECIFICATION}public st
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C# LANGUAGE SPECIFICATIONButton b =
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C# LANGUAGE SPECIFICATIONclass Test
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C# LANGUAGE SPECIFICATIONThe exampl
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C# LANGUAGE SPECIFICATIONstructs ar
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C# LANGUAGE SPECIFICATIONAn interes
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C# LANGUAGE SPECIFICATIONThe next s
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C# LANGUAGE SPECIFICATION// Author
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Chapter 9 Lexical structure9. Lexic
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Chapter 9 Lexical structure9.3.2 Co
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Chapter 9 Lexical structureclass Cl
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Chapter 9 Lexical structurekeyword:
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Chapter 9 Lexical structurereal-typ
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Chapter 9 Lexical structureverbatim
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Chapter 9 Lexical structure#if Bvoi
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Chapter 9 Lexical structure#define
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Chapter 9 Lexical structureclass He
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C# LANGUAGE SPECIFICATIONwords, the
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C# LANGUAGE SPECIFICATION• If X a
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C# LANGUAGE SPECIFICATION}public in
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C# LANGUAGE SPECIFICATION• Parent
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C# LANGUAGE SPECIFICATIONthe second
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C# LANGUAGE SPECIFICATIONvoid Proce
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C# LANGUAGE SPECIFICATIONThe type a
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C# LANGUAGE SPECIFICATIONenclosed i
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C# LANGUAGE SPECIFICATIONvoid DoCom
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C# LANGUAGE SPECIFICATIONfor-initia
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C# LANGUAGE SPECIFICATIONIEnumerato
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C# LANGUAGE SPECIFICATION15.9.2 The
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C# LANGUAGE SPECIFICATION• If the
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C# LANGUAGE SPECIFICATIONWithin a c
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C# LANGUAGE SPECIFICATION15.12 The
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C# LANGUAGE SPECIFICATION}}using (T
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C# LANGUAGE SPECIFICATIONA namespac
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C# LANGUAGE SPECIFICATIONAbove, N3
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C# LANGUAGE SPECIFICATIONthe using-
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Chapter 17 Classes17. ClassesA clas
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Chapter 17 ClassesThe direct base c
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Chapter 17 Classesthe same class, a
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Chapter 17 Classes(§14.5.4), insta
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Chapter 17 Classesshows this techni
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Chapter 17 Classes17.2.7.2 Member N
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Chapter 17 Classesfield-modifier:ne
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Chapter 17 Classesusing System;name
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Chapter 17 Classes}static void Main
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Chapter 17 ClassesA method invocati
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Chapter 17 Classes17.5.1.4 Paramete
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Chapter 17 ClassesSystem.Int32 Syst
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Chapter 17 Classesclass Test{static
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Chapter 17 Classes}public virtual v
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Chapter 17 Classes17.5.8 Method bod
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Chapter 17 Classesaccessor-declarat
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Chapter 17 Classesthe P property in
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Chapter 17 ClassesThe Console class
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Chapter 17 Classesremove-accessor-d
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Chapter 17 Classes}public event D E
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Chapter 17 ClassesAn event declarat
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Chapter 17 Classes}public BitArray(
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Chapter 17 Classesbinary-operator-d
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Chapter 17 ClassesA conversion oper
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Chapter 17 Classes17.10.1 Construct
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Chapter 17 Classesclass A{int x, y,
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Chapter 17 ClassesThe identifier of
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Chapter 17 Classesisusing System;cl
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C# LANGUAGE SPECIFICATIONInterface
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C# LANGUAGE SPECIFICATION}public Ke
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C# LANGUAGE SPECIFICATION18.4.1 Dat
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C# LANGUAGE SPECIFICATION19.1.1 The
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C# LANGUAGE SPECIFICATIONint[,] b =
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C# LANGUAGE SPECIFICATIONIt is a co
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C# LANGUAGE SPECIFICATION20.2.3 Int
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C# LANGUAGE SPECIFICATIONinterface
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C# LANGUAGE SPECIFICATIONparticular
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C# LANGUAGE SPECIFICATIONIf a class
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C# LANGUAGE SPECIFICATIONclass Text
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C# LANGUAGE SPECIFICATIONabstract c
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C# LANGUAGE SPECIFICATIONenum-modif
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C# LANGUAGE SPECIFICATIONEnum membe
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C# LANGUAGE SPECIFICATIONdelegate i
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C# LANGUAGE SPECIFICATIONusing Syst
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Chapter 23 Exceptions23. Exceptions
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Chapter 24 Attributes24. Attributes
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Chapter 24 Attributesend example][H
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Chapter 24 Attributesaffirm the def
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Chapter 24 Attributesusing System;[
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Chapter 24 Attributesusing System;u
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Chapter 24 Attributes[Example: In t
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C# LANGUAGE SPECIFICATIONinterface-
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C# LANGUAGE SPECIFICATIONunmanaged-
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C# LANGUAGE SPECIFICATION25.5.1 Poi
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C# LANGUAGE SPECIFICATIONinput-char
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C# LANGUAGE SPECIFICATIONA.1.8 Lite
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C# LANGUAGE SPECIFICATIONassignment
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C# LANGUAGE SPECIFICATIONoperator-m
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C# LANGUAGE SPECIFICATION10. The re
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C# LANGUAGE SPECIFICATIONType Case
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C# LANGUAGE SPECIFICATION[Flags]pub
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C# LANGUAGE SPECIFICATIONSystem.Win
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C# LANGUAGE SPECIFICATION{}public A
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C# LANGUAGE SPECIFICATION}// Namesp
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C# LANGUAGE SPECIFICATIONpublic Str
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C# LANGUAGE SPECIFICATION}public ov
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C# LANGUAGE SPECIFICATIONpublic cla
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C# LANGUAGE SPECIFICATION/// This c
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C# LANGUAGE SPECIFICATIONE.2.14 Thi
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