Sha256: d0344eb3d46523ffcd4a32152a1a6be8f5847b57b10860071ca766fac248d6be
Contents?: true
Size: 503 Bytes
Versions: 396
Compression:
Stored size: 503 Bytes
Contents
class Nucleotide
def self.from_dna(strand)
acids = strand.chars
fail ArgumentError.new("Invalid DNA #{strand}") unless acids.all?(&validate)
new(acids)
end
def self.validate
proc { |acid| %w(A C G T).include?(acid) }
end
attr_reader :acids
def initialize(acids)
@acids = acids
end
def histogram
{
'A' => count('A'),
'T' => count('T'),
'G' => count('G'),
'C' => count('C')
}
end
def count(acid)
acids.count(acid)
end
end
Version data entries
396 entries across 396 versions & 1 rubygems