Whenever an event declaration is sold with a fixed modifier, the function is claimed is a static experiences. When zero fixed modifier exists, case is claimed becoming a case experience.
A fixed knowledge is not in the a specific for example, and is an accumulate-day mistake to refer to this throughout the accessors regarding a beneficial static event.
A situation experience was from the certain illustration of an effective category, and this instance can be accessed that (§eleven.7.12) regarding the accessors of this event.
An online experiences statement determine that accessors of the skills is actually digital. Brand new digital modifier pertains to each other accessors out-of a meeting.
A conceptual skills statement specifies the accessors of your own experience is digital, however, will not offer an authentic implementation of the accessors. Rather, non-abstract derived groups must give her execution to have the fresh accessors by the overriding the function. Since an enthusiastic accessor having an abstract event declaration provides no actual implementation, it shall not promote experience_accessor_declarations.
A conference declaration filled with both abstract and you can bypass modifiers determine your knowledge is actually abstract and you can overrides a base skills. The accessors of these a conference also are abstract.
The newest accessors of a genetic digital knowledge should be overridden into the a good derived class from the in addition to a meeting declaration one specifies a keen bypass modifier. This is certainly called a keen overriding feel declaration. Rather, it really focuses the implementations of the accessors out-of an existing virtual experiences.
An enthusiastic overriding event elizabeth accessibility modifiers and you can term due to the fact overridden feel, there shall be a personality conversion process between your brand of the overriding additionally the overridden knowledge, and you will both add and remove accessors can be specified within this this new report.
An overriding skills declaration include the sealed modifier. Accessibility this modifier suppresses an excellent derived group out-of next overriding the function. The new accessors of a shut experiences are also shut.
With the exception of variations in statement and you can invocation sentence structure, virtual, closed, override, and you may conceptual accessors perform like virtual, closed, bypass and conceptual methods. Particularly, the principles revealed inside §fourteen.6.4, §14.6.5, §fourteen.6.six, and you may §14.six.7 pertain because if accessors was basically ways of a matching setting. Per accessor represents a method that have one really worth factor of your own knowledge form of, a gap go back type of, therefore the same modifiers once the that features enjoy.
14.nine Indexers
A keen indexer are a member that allows an object become indexed by the same exact way given that a wide range. Indexers is declared having fun with indexer_declarations:
A https://datingranking.net/pl/once-recenzja/ keen indexer_statement start around a collection of properties (§21) and you can a valid combination of the latest five supply modifiers (§fourteen.step 3.6), the fresh (§14.step 3.5), digital (§fourteen.6.4), override (§fourteen.6.5), sealed (§fourteen.6.6), conceptual (§14.6.7), and you can extern (§14.six.8) modifiers.
Indexer e guidelines once the approach declarations (§14.6) regarding valid combos of modifiers, with the that exemption being that the static modifier isn’t allowed to the an enthusiastic indexer statement.
Brand new modifiers digital , bypass , and you may conceptual try mutually personal except in a single case. The latest conceptual and you may bypass modifiers can be utilized with her to ensure a conceptual indexer can be bypass an online one.
An overriding skills report will not declare a different experiences
Note: Just like the indexers are made to be used from inside the selection feature-such contexts, the word function kind of since discussed to own a wide range is also combined with a keen indexer. avoid notice
Unless brand new indexer was an explicit program affiliate implementation, the type are followed closely by the new keywords so it . To possess a specific interface user execution, the sort are with a screen_particular, a good ” . “, in addition to keyword this . As opposed to most other people, indexers do not have affiliate-laid out names.