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  1. function table.map_length(t)
  2.     local c = 0
  3.     for k,v in pairs(t) do
  4.          c = c+1
  5.     end
  6.     return c
  7. end
  8.  
  9. A = {
  10. ["b"] = {c=1, d=2},
  11. ["e"] = {f=1, g=2},
  12. }
  13.  
  14. print(table.map_length(A))
Success #stdin #stdout 0.02s 2544KB
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https://ideone.com/2pGNeF
language:
Lua (luac 5.3.3)
created:
10 years ago
visibility:
public

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