{ "_id": "6a16b89aacfb0bcc41d867e7", "Package": "lenses", "Version": "0.0.3", "Title": "Elegant Data Manipulation with Lenses", "Description": "Provides tools for creating and using lenses to simplify\ndata manipulation. Lenses are composable getter/setter pairs\nfor working with data in a purely functional way. Inspired by\nthe 'Haskell' library 'lens' (Kmett, 2012)\n. For a fairly\ncomprehensive (and highly technical) history of lenses please\nsee the 'lens' wiki\n.", "Authors@R": "c(person(\"Chris\", \"Hammill\", , \"cfhammill@gmail.com\", c(\"aut\", \"cre\", \"trl\")), person(\"Ben\", \"Darwin\", , \"\", c(\"aut\", \"trl\")))", "License": "MIT + file LICENSE", "Encoding": "UTF-8", "ByteCompile": "true", "Roxygen": "list(markdown = TRUE)", "RoxygenNote": "6.0.1", "URL": "http://cfhammill.github.io/lenses,\nhttps://github.com/cfhammill/lenses", "BugReports": "https://github.com/cfhammill/lenses/issues", "Collate": "'verbs.R' 'lens.R' 'array-lenses.R' 'base-lenses.R' 'utils.R'\n'dataframe-lenses.R' 'utils-pipe.R'", "Repository": "https://cfhammill.r-universe.dev", "Date/Publication": "2019-03-20 18:45:00 UTC", "RemoteUrl": "https://github.com/cfhammill/lenses", "RemoteRef": "HEAD", "RemoteSha": "50390188ef38842aca4b9d84e4368a01445a09d7", "NeedsCompilation": "no", "Packaged": { "Date": "2026-05-27 09:22:23 UTC", "User": "root" }, "Author": "Chris Hammill [aut, cre, trl],\nBen Darwin [aut, trl]", "Maintainer": "Chris Hammill ", "MD5sum": "0900103c5cb3c9d8f7e54961d74ec14a", "_user": "cfhammill", "_type": "src", "_file": "lenses_0.0.3.tar.gz", "_fileid": "cebbca1d716a495694162b91d02445a73d04644ae01c2709735b197018844e26", "_filesize": 183975, "_sha256": "cebbca1d716a495694162b91d02445a73d04644ae01c2709735b197018844e26", "_created": "2026-05-27T09:22:23.000Z", "_published": "2026-05-27T09:25:46.740Z", "_distro": "noble", "_jobs": [ { "job": 78046812095, "time": 117, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "7236759019" }, { "job": 78046811987, "time": 105, "config": "linux-release-x86_64", "r": "4.6.0", "check": "OK", "artifact": "7236754809" }, { "job": 78046812045, "time": 168, "config": "macos-oldrel-arm64", "r": "4.5.3", "check": "OK", "artifact": "7236765476" }, { "job": 78046811948, "time": 144, "config": "macos-release-arm64", "r": "4.6.0", "check": "OK", "artifact": "7236756497" }, { "job": 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"cfhammill@gmail.com", "login": "cfhammill", "mastodon": "@cfhammill@mastodon.social", "twitter": "@cfhammill", "description": "I'm a data scientist working in neuroinformatics, statistics, and applied machine learning at Unity Health Toronto", "uuid": 7467038 }, "_registered": true, "_dependencies": [ { "package": "magrittr", "role": "Imports" }, { "package": "tidyselect", "role": "Imports" }, { "package": "rlang", "role": "Imports" }, { "package": "testthat", "role": "Suggests" } ], "_owner": "cfhammill", "_selfowned": true, "_usedby": 0, "_updates": [], "_tags": [], "_topics": [ "functional-programming" ], "_stars": 28, "_contributors": [ { "user": "cfhammill", "count": 93, "uuid": 7467038 }, { "user": "bcdarwin", "count": 7, "uuid": 164148 } ], "_userbio": { "uuid": 7467038, "type": "user", "name": "Chris Hammill", "description": "I'm a data scientist working in neuroinformatics, statistics, and applied machine learning at Unity Health Toronto" }, "_downloads": { "count": 159, 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"rows_l", "select_l", "send", "send_over", "set", "slab_l", "slice_l", "slot_l", "t_l", "take_l", "take_while_il", "to_l", "transpose_l", "unlist_l", "upper_tri_l", "view" ], "_help": [ { "page": "lens-compose", "title": "Compose lenses", "topics": [ "%.%" ] }, { "page": "attr_l", "title": "Construct a lens into an attribute", "topics": [ "attr_l" ] }, { "page": "attributes_l", "title": "Attributes lens", "topics": [ "attributes_l" ] }, { "page": "body_l", "title": "Body lens", "topics": [ "body_l" ] }, { "page": "c_l", "title": "Convenient lens composition", "topics": [ "c_l" ] }, { "page": "class_l", "title": "Class lens", "topics": [ "class_l" ] }, { "page": "colnames_l", "title": "A lens into the column names of an object", "topics": [ "colnames_l" ] }, { "page": "cols_l", "title": "Column lens", "topics": [ "cols_l" ] }, { "page": "cond_il", "title": "Conditional lens", "topics": [ "cond_il" ] }, { "page": "diag_l", "title": "Lens into the diagonal of a matrix", "topics": [ "diag_l" ] }, { "page": "dim_l", "title": "Dims lens", "topics": [ "dim_l" ] }, { "page": "dimnames_l", "title": "Dimnames lens", "topics": [ "dimnames_l" ] }, { "page": "drop_while_il", "title": "Conditional trim lens", "topics": [ "drop_while_il" ] }, { "page": "env_l", "title": "Environment lens", "topics": [ "env_l" ] }, { "page": "filter_il", "title": "Filter lens", "topics": [ "filter_il" ] }, { "page": "filter_l", "title": "Filter lens", "topics": [ "filter_l" ] }, { "page": "first_l", "title": "A lens into the first element", "topics": [ "first_l" ] }, { "page": "formals_l", "title": "Formals lens", "topics": [ "formals_l" ] }, { "page": "id_l", "title": "The identity (trivial lens)", "topics": [ "id_l" ] }, { "page": "index_l", "title": "Construct a lens into an index/name", "topics": [ "index", "index_l" ] }, { "page": "indexes_l", "title": "Construct a lens into a subset of an object", "topics": [ "indexes", "indexes_l" ] }, { "page": "last_l", "title": "A lens into the last element", "topics": [ "last_l" ] }, { "page": "lens", "title": "Construct a lens", "topics": [ "lens" ] }, { "page": "levels_l", "title": "Levels lens", "topics": [ "levels_l" ] }, { "page": "lower_tri_l", "title": "Lens into lower diagonal elements", "topics": [ "lower_tri_l" ] }, { "page": "map_l", "title": "Promote a lens to apply to each element of a list", "topics": [ "map_l" ] }, { "page": "names_l", "title": "A lens into the names of an object", "topics": [ "names_l" ] }, { "page": "oscope", "title": "Bind data to a lens", "topics": [ "oscope" ] }, { "page": "over", "title": "Map a function over a lens", "topics": [ "over" ] }, { "page": "over_map", "title": "Map a function over a list lens", "topics": [ "over_map" ] }, { "page": "over_with", "title": "Map a function over an in scope lens", "topics": [ "over_with" ] }, { "page": "reshape_l", "title": "Lens into a new dimension(s)", "topics": [ "reshape_l" ] }, { "page": "rev_l", "title": "Reverse lens", "topics": [ "rev_l" ] }, { "page": "rownames_l", "title": "A lens into the row names of an object", "topics": [ "rownames_l" ] }, { "page": "rows_l", "title": "Row lens", "topics": [ "rows_l" ] }, { "page": "select_l", "title": "Tidyselect elements by name", "topics": [ "select_l" ] }, { "page": "send", "title": "Set one lens to the view of another", "topics": [ "send" ] }, { "page": "send_over", "title": "Set one lens to the view of another (transformed)", "topics": [ "send_over" ] }, { "page": "set", "title": "Modify data with a lens", "topics": [ "set" ] }, { "page": "slab_l", "title": "Slab lens", "topics": [ "slab_l" ] }, { "page": "slice_l", "title": "Slice lens", "topics": [ "slice_l" ] }, { "page": "slot_l", "title": "Slot lens", "topics": [ "slot_l" ] }, { "page": "t_l", "title": "Matrix transpose lens", "topics": [ "t_l" ] }, { "page": "take_l", "title": "Construct a lens into a prefix of a vector", "topics": [ "take_l" ] }, { "page": "take_while_il", "title": "Conditional head lens", "topics": [ 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