When the effective return type of a method is not void and the method has an expression body, E , the expression shall be implicitly convertible to the effective return type, and the body is exactly equivalent to a block body of the form < return>.

the significance-returning F method leads to a gather-time error because handle is also flow off of the stop of your own means muscles. The fresh Grams and you may H strategies is proper since most of the you’ll be able to execution pathways produce money declaration you to definitely specifies a return worthy of. The I system is right, given that its person is equivalent to a statement take off in just one come back report inside it. prevent example

14.eight.step one Standard

Types of qualities are the amount of a string, the size of a great font, brand new caption out of a windows, the name away from a consumer, etc. Properties are an organic extension of fields-both are called users that have related sizes, while the sentence structure to possess accessing industries and you may functions is the same. Although not, rather than sphere, attributes do not signify shops towns. Instead, qualities features accessors you to indicate the brand new statements becoming performed when their thinking was realize otherwise composed. Attributes hence provide an apparatus to own accompanying methods toward learning and creating off a keen object’s characteristics; also, they allow such as for instance functions as computed.

Property_statement consist of a set of functions (§21) and you may a legitimate mixture of brand new five supply modifiers (§14.3.6), brand new (§fourteen.step three.5), fixed (§fourteen.seven.2), digital (§fourteen.six.4, §14.eight.6), override (§14.6.5, §fourteen.eight.6), shut (§14.six.6), conceptual (§fourteen.six.seven, §fourteen.seven.6), and you may extern (§14.6.8) modifiers.

The kind of a property report specifies the type of the latest property introduced by the e (§14.6.1) specifies title of lumen dating the property. Until the home is a specific software representative implementation, the brand new user_name’s only a keen identifier. Getting an explicit screen associate implementation (§17.six.2), the new affiliate_name consists of a software_types of accompanied by good  » .  » and you may an enthusiastic identifier.

A property_body may either consist of an accessor body or an expression body. In an accessor body, accessor_declarations, which shall be enclosed in  » < "> » tokens, declare the accessors (§14.7.3) of the property. The accessors specify the executable statements associated with reading and writing the property.

An expression body consisting of => followed by an expression E and a semicolon is exactly equivalent to the statement body < get>> , and can therefore only be used to specify getter-only properties where the result of the getter is given by a single expression.

A home_initializer might only be given having an immediately followed assets (§14.seven.4), and causes this new initialization of hidden realm of such as for instance services into value given by the term.

As the syntax to own being able to access a home is the same as you to definitely having an industry, a home is not categorized due to the fact a variable. Hence, this is simply not you can to pass through property just like the an excellent ref or out dispute.

When property report is sold with a keen extern modifier, the house or property is said to be an external property. Since the an outward possessions declaration brings no execution, each one of the accessor_declarations include good semicolon.

14.7.dos Fixed and particularly properties

Whenever a home report has a static modifier, the home is said become a static assets. Whenever zero static modifier exists, the property is said are a situation possessions.

A static house is perhaps not with the a specific like, and it is a compile-big date error to refer to that from the accessors away from a good static property.

An instance property is of the confirmed instance of a good class, and therefore eg will likely be utilized that (§11.seven.12) regarding the accessors of these assets.