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require 'benchmark/ips'
require 'immutable/hash'
Benchmark.ips do |b|
sml_hash = Immutable::Hash[1 => 1]
med_hash = Immutable::Hash.empty
1_000.times { |i| med_hash = med_hash.put(i, i) }
lrg_hash = Immutable::Hash.empty
1_000_000.times { |i| lrg_hash = lrg_hash.put(i, i) }
b.report 'put value' do |n|
a = 0
sml = sml_hash
while a < n
sml = sml.put(a, a)
a += 1
end
end
b.report 'put value medium' do |n|
a = 0
med = med_hash
while a < n
med = med.put(a, a)
a += 1
end
end
b.report 'put value large' do |n|
a = 0
lrg = lrg_hash
while a < n
lrg = lrg.put(a, a)
a += 1
end
end
end
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