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#
# 나는 julia 를 사랑하는가
#
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# Interfaces
#
# Iteration
# start(iter)
# next(iter, state)
# done(iter, state)
# eltype(IterType)
# length(iter)
#
# Indexing
# getindex(X, i)
# setindex!(X, v, i)
# endof(X)
# AbstractArrays
