{"title":"面向对象编程的类型替换","authors":"J. Palsberg, M. I. Schwartzbach","doi":"10.1145/97945.97965","DOIUrl":null,"url":null,"abstract":"Genericity allows the substitution of types in a class. This is usually obtained through parameterized classes, although they are inflexible since any class can be inherited but is not in itself parameterized. We suggest a new genericity mechanism, type substitution, which is a subclassing concept that complements inheritance: any class is generic, can be “instantiated” gradually without planning, and has all of its generic instances as subclasses.","PeriodicalId":135062,"journal":{"name":"OOPSLA/ECOOP '90","volume":"35 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1990-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"48","resultStr":"{\"title\":\"Type substitution for object-oriented programming\",\"authors\":\"J. Palsberg, M. I. Schwartzbach\",\"doi\":\"10.1145/97945.97965\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Genericity allows the substitution of types in a class. This is usually obtained through parameterized classes, although they are inflexible since any class can be inherited but is not in itself parameterized. We suggest a new genericity mechanism, type substitution, which is a subclassing concept that complements inheritance: any class is generic, can be “instantiated” gradually without planning, and has all of its generic instances as subclasses.\",\"PeriodicalId\":135062,\"journal\":{\"name\":\"OOPSLA/ECOOP '90\",\"volume\":\"35 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1990-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"48\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"OOPSLA/ECOOP '90\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1145/97945.97965\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"OOPSLA/ECOOP '90","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1145/97945.97965","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Genericity allows the substitution of types in a class. This is usually obtained through parameterized classes, although they are inflexible since any class can be inherited but is not in itself parameterized. We suggest a new genericity mechanism, type substitution, which is a subclassing concept that complements inheritance: any class is generic, can be “instantiated” gradually without planning, and has all of its generic instances as subclasses.
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