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< > BotCompany Repo | #349 // Table functions (valuestokeys, keystolist, all)

Lua code

function valuestokeys(tbl)
  local tbl2 = {}
  for _, v in pairs(tbl) do
    tbl2[v] = true
  end
  return tbl2
end

function keystolist(tbl)
  local tbl2 = {}
  for k, _ in pairs(tbl) do
    table.insert(tbl2, k)
  end
  return tbl2
end

-- iterate over values of an array
function all(t)
  local i = 0
  local n = #t
  return function ()
    i = i + 1
    if i <= n then return t[i] end
  end
end

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Snippet ID: #349
Snippet name: Table functions (valuestokeys, keystolist, all)
Eternal ID of this version: #349/1
Text MD5: 3504c79f98d8c271dcd27bf7d4acc341
Author: stefan
Category:
Type: Lua code
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2015-03-13 16:57:37
Source code size: 422 bytes / 25 lines
Pitched / IR pitched: No / Yes
Views / Downloads: 748 / 206
Referenced in: [show references]