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Size: 901 Bytes
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Stored size: 901 Bytes
Contents
module Trackler
# Implementations is a collection of exercises in a specific language track.
class Implementations
include Enumerable
attr_reader :repo, :slugs, :root, :track
def initialize(repo, slugs, root, track)
@repo = repo
@slugs = slugs
@root = root
@track = track
end
def each
all.each do |implementation|
yield implementation
end
end
def [](slug)
by_slug[slug]
end
private
def all
@all ||= slugs.map { |slug|
Implementation.new(track, Problem.new(slug, root, track))
}
end
def by_slug
@by_slug ||= implementation_map
end
def implementation_map
hash = Hash.new { |_, k|
Implementation.new(track, Problem.new(k, root, track))
}
all.each do |impl|
hash[impl.problem.slug] = impl
end
hash
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems