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-2.0.6.20	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.19	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.18	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.17	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.16	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.15	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.14	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.13	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.12	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.11	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.10	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.9	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.8	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.7	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.6	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.5	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.4	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.3	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.2	tracks/lua/exercises/nucleotide-count/example.lua
trackler-2.0.6.1	tracks/lua/exercises/nucleotide-count/example.lua