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 importance-returning F method causes an attain-time error since the manage is also circulate off the prevent of your own means human anatomy. New G and you will H actions try proper since the all the you can performance paths bring about money statement you to definitely specifies an income worthy of. Brand new I system is right, since the body is equivalent to an announcement take off with just just one go back report involved. end example
fourteen.eight.step one Standard
Types of qualities range from the period of a set, how big a beneficial font, brand new caption out of a windows, title out-of a buyers, and stuff like that. Attributes was a natural expansion away from industries-they are both entitled users having related types, as well as the syntax getting accessing sphere and you may qualities is the same. Yet not, instead of areas, attributes don’t signify shops cities. As an alternative, attributes features accessors you to indicate the fresh comments is carried out when their opinions is actually see otherwise composed. Services hence render a mechanism to have associating tips to the studying and you may writing from a keen object’s features; furthermore, they allow for example qualities as determined.
A home_report are normally taken for a collection of services (§21) and a valid mixture of the new four availableness modifiers (§fourteen.step 3.6), the newest (§14.step 3.5), static (§14.seven.2), virtual (§14.six.4, §14.7.6), override (§14.six.5, §fourteen.seven.6), shut (§fourteen.six.6), conceptual (§14.6.seven, §14.eight.6), and you can extern (§14.six.8) modifiers.
The kind of property declaration determine the kind of the assets produced by the e (§fourteen.six.1) specifies the name of the home. Until the home was a specific software user execution, new affiliate_name’s just an identifier. To have an explicit user interface associate execution (§17.six.2), the latest affiliate_identity consists of a screen_form of accompanied by an excellent ” . ” and a keen 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 may only be provided with having an automatically followed property (§fourteen.eight.4), and causes the initialization of fundamental world of such as for instance properties to the worthy of provided by the definition of.
Although the syntax having accessing a property is similar since the you to to possess an area, a home isn’t categorized given that a varying. Thus, this is not you’ll be able to to successfully pass property since a ref otherwise out dispute.
Whenever a house declaration is sold with an extern modifier, the property is claimed as an outward assets. While the an outward property statement brings no actual implementation, all of the www.datingranking.net/pl/together2night-recenzja accessor_declarations includes an effective semicolon.
14.7.dos Static and instance features
When a home declaration comes with a static modifier, the property is alleged as a fixed assets. When zero fixed modifier is present, the home is claimed getting a case property.
A static house is not for the a certain such as for instance, and is a gather-time mistake to refer to this in the accessors of a fixed assets.
A situation house is for the confirmed example of a group, and that such as for example is going to be reached that (§11.seven.12) on the accessors of that property.