class SamplingHash::SamplingIO
Public Class Methods
new(io, sampler = nil)
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# File lib/sampling-hash/sampling-io.rb, line 3 def initialize(io, sampler = nil) raise ArgumentError, 'first parameter should be IO' unless io.kind_of?(IO) @io = io @sampler = sampler || Sampler.new(io.stat.size) end
Public Instance Methods
samples() { |read| ... }
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# File lib/sampling-hash/sampling-io.rb, line 10 def samples @sampler.each do |offset, size| @io.seek(offset, IO::SEEK_SET) yield @io.read(size) end end