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Change Hash implementation #5256

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5ad1b90
Change Hash implementation
funny-falcon Nov 7, 2017
a9d8396
consider naming review
funny-falcon Nov 12, 2017
6295806
Chunked Hash implementation.
funny-falcon Nov 12, 2017
0529853
crystal tool format
funny-falcon Nov 12, 2017
b7641b0
closed addressing
funny-falcon Nov 26, 2017
5c2acdf
...
funny-falcon Nov 26, 2017
bf42892
... some meaningless changes
funny-falcon Nov 26, 2017
60efb4d
experiment: do not resize down hash
funny-falcon Nov 26, 2017
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13 changes: 10 additions & 3 deletions spec/std/hash_spec.cr
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Original file line number Diff line number Diff line change
Expand Up @@ -806,18 +806,25 @@ describe "Hash" do

it "creates with initial capacity" do
hash = Hash(Int32, Int32).new(initial_capacity: 1234)
hash.@buckets_size.should eq(1234)
hash.capacity.should eq(1536_u32)
end

it "creates with initial capacity and default value" do
hash = Hash(Int32, Int32).new(default_value: 3, initial_capacity: 1234)
hash[1].should eq(3)
hash.@buckets_size.should eq(1234)
hash.capacity.should eq(1536_u32)
end

it "creates with initial capacity and block" do
hash = Hash(Int32, Int32).new(initial_capacity: 1234) { |h, k| h[k] = 3 }
hash[1].should eq(3)
hash.@buckets_size.should eq(1234)
hash.capacity.should eq(1536_u32)
end
end

class Hash(K, V)
# :nodoc:
def capacity
nentries(@sz)
end
end
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