64 lines
903 B
Ruby
64 lines
903 B
Ruby
# almost simplest hash imaginable. make good use of arrays
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module Parfait
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end
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class Parfait::Hash
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def initialize
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@keys = Array.new()
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@values = Array.new()
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end
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def values()
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@values
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end
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def keys()
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@keys
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end
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def empty?
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@keys.empty?
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end
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def length()
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return @keys.length()
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end
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def get(key)
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index = key_index(key)
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if( index )
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@values[index]
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else
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nil
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end
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end
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def [](key)
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get(key)
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end
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def key_index(key)
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len = @keys.length()
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index = 0
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found = nil
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while(index < len)
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if( @keys[index] == key)
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found = index
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break
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end
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index += 1
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end
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found
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end
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def set(key , value)
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index = key_index(key)
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if( index )
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@keys[index] = value
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else
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@keys.push(key)
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@values.push(value)
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end
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value
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end
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def []=(key,val)
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set(key,val)
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end
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end
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