18 lines
405 B
Julia
18 lines
405 B
Julia
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struct ImmutableOrientedShape
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cubes::Vector{Tuple{Int8, Int8, Int8}}
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hash::UInt
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end
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Base.hash(S::ImmutableOrientedShape) = S.hash
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Base.hash(S::ImmutableOrientedShape, h::UInt) = S.hash ⊻ h
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function Base.==(X::ImmutableOrientedShape, Y::ImmutableOrientedShape)
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if hash != hash
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return false
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elseif X.cubes == Y.cubes
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return false
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else
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return true
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end
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end |