"type class" meaning in English

{
  "forms": [
    {
      "form": "type classes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "type class (plural type classes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Programming",
          "orig": "en:Programming",
          "parents": [
            "Computing",
            "Software engineering",
            "Technology",
            "Computer science",
            "Engineering",
            "Software",
            "All topics",
            "Sciences",
            "Applied sciences",
            "Media",
            "Fundamental",
            "Communication"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2021, Dean Wampler, chapter 5, in Programming Scala, 3rd edition, O'Reilly",
          "text": "A type class is defined with a trait that defines the abstraction. It can have any extension (instance) methods, as well as type-level members, meaning across instances.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A type system construct that supports ad hoc polymorphism (independent of the type hierarchy), first pioneered in Haskell."
      ],
      "id": "en-type_class-en-noun-NAcs19X3",
      "links": [
        [
          "programming",
          "programming#Noun"
        ],
        [
          "type system",
          "type system"
        ],
        [
          "ad hoc",
          "ad hoc"
        ],
        [
          "polymorphism",
          "polymorphism"
        ],
        [
          "Haskell",
          "Haskell"
        ]
      ],
      "raw_glosses": [
        "(programming) A type system construct that supports ad hoc polymorphism (independent of the type hierarchy), first pioneered in Haskell."
      ],
      "synonyms": [
        {
          "word": "typeclass"
        }
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "programming",
        "sciences"
      ]
    }
  ],
  "word": "type class"
}

{
  "forms": [
    {
      "form": "type classes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "type class (plural type classes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "en:Programming"
      ],
      "examples": [
        {
          "ref": "2021, Dean Wampler, chapter 5, in Programming Scala, 3rd edition, O'Reilly",
          "text": "A type class is defined with a trait that defines the abstraction. It can have any extension (instance) methods, as well as type-level members, meaning across instances.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A type system construct that supports ad hoc polymorphism (independent of the type hierarchy), first pioneered in Haskell."
      ],
      "links": [
        [
          "programming",
          "programming#Noun"
        ],
        [
          "type system",
          "type system"
        ],
        [
          "ad hoc",
          "ad hoc"
        ],
        [
          "polymorphism",
          "polymorphism"
        ],
        [
          "Haskell",
          "Haskell"
        ]
      ],
      "raw_glosses": [
        "(programming) A type system construct that supports ad hoc polymorphism (independent of the type hierarchy), first pioneered in Haskell."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "programming",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "typeclass"
    }
  ],
  "word": "type class"
}