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tk3369/fizzbuzz_julia_bit_twiddling.md

Created February 17, 2018 19:08
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fizzbuzz_julia_bit_twiddling.md 
# fizz buzz the bit twiddling way
mymod(n,m,f) = mod(n, m) == 0 ? f : 0x00
fb(n) = ["None", "Fizz", "Buzz", "FizzBuzz"][1 + (mymod(n,3,0x01) | mymod(n,5,0x02))]

Results:

julia> fb.(collect(1:15))
15-element Array{String,1}:
 "None"    
 "None"    
 "Fizz"    
 "None"    
 "Buzz"    
 "Fizz"    
 "None"    
 "None"    
 "Fizz"    
 "Buzz"    
 "None"    
 "Fizz"    
 "None"    
 "None"    
 "FizzBuzz"
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