Contents

local DNA = {}

function DNA:new(str)
  self.__index = self
  local nc = { A = 0, T = 0, C = 0, G = 0 }
  local n = { 'A','T','C','G' }
  for i = 1, str:len() do
    local c = str:sub(i,i)
    nc[c]= nc[c] + 1
  end
  return setmetatable({ nucleotideCounts = nc, NUCLEOTIDES = n }, self)
end

function DNA:count(symbol)
  if self.nucleotideCounts[symbol] then
    return self.nucleotideCounts[symbol]
  end
  return error('Invalid Nucleotide')
end

return DNA

Version data entries

396 entries across 396 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.179	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.178	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.177	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.176	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.175	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.174	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.173	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.172	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.171	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.170	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.169	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.167	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.166	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.165	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.164	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.163	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.162	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.161	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.160	tracks/lua/exercises/nucleotide-count/example.lua