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  "License": "MIT + file LICENSE",
  "Title": "Implementation Helper for '[' and '[<-' of Custom Matrix-Like\nTypes",
  "Description": "Functions to help implement the extraction / subsetting /\nindexing function '[' and replacement function '[<-' of custom\nmatrix-like types (based on S3, S4, etc.), modeled as closely\nto the base matrix class as possible (with tests to prove it).",
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  "Maintainer": "Alexander Grueneberg <cran@agrueneberg.info>",
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    "ijtok",
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      "title": "Implementation Helper for '[' and '[<-' of Custom Matrix-Like Types",
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      ]
    },
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      "title": "Convert Non-Numeric Index Types to Positive Integers",
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      "title": "Create an Implementation of [ For Custom Matrix-Like Types",
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      "title": "Create an Implementation of [<- For Custom Matrix-Like Types",
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