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-2.2.1.58	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.57	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.56	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.55	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.54	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.53	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.52	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.51	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.50	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.49	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.48	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.47	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.46	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.45	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.44	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.43	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.42	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.41	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.40	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.2.1.39	tracks/lua/exercises/nucleotide-count/example.lua