"demangler" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "demangle",
        "3": "-er",
        "id2": "agent noun"
      },
      "expansion": "demangle + -er",
      "name": "af"
    }
  ],
  "etymology_text": "From demangle + -er.",
  "forms": [
    {
      "form": "demanglers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "demangler (plural demanglers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -er (agent noun)",
          "parents": [],
          "source": "w"
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        {
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          "source": "w"
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      ],
      "examples": [
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          "bold_text_offsets": [
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              4,
              13
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          ],
          "ref": "2025, Free Software Foundation, The GNU C++ Library, archived from the original on 27 Feb 2026:",
          "text": "The demangler interface is described in the source documentation linked to above.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A program that demangles."
      ],
      "id": "en-demangler-en-noun-5k~VDSw8",
      "links": [
        [
          "program",
          "program"
        ],
        [
          "demangle",
          "demangle"
        ]
      ]
    }
  ],
  "word": "demangler"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "demangle",
        "3": "-er",
        "id2": "agent noun"
      },
      "expansion": "demangle + -er",
      "name": "af"
    }
  ],
  "etymology_text": "From demangle + -er.",
  "forms": [
    {
      "form": "demanglers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "demangler (plural demanglers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms suffixed with -er (agent noun)",
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        "Pages with 1 entry",
        "Pages with entries"
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          "ref": "2025, Free Software Foundation, The GNU C++ Library, archived from the original on 27 Feb 2026:",
          "text": "The demangler interface is described in the source documentation linked to above.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A program that demangles."
      ],
      "links": [
        [
          "program",
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        ],
        [
          "demangle",
          "demangle"
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      ]
    }
  ],
  "word": "demangler"
}