Interestingly: _g(x) = "[" * x * "]" _g (generic function with 1 method)
@time st2 = map(_g, s)
0.000044 seconds (11 allocations: 544 bytes)
3-element Array{ASCIIString,1}:
"[as]"
"[sdf]"
"[qwer]"
This time map() has even lower footprint then original comprehension.
Jan
>
>>
