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edited May 10, 2017 at 1:08

Julia, 1313 12 bytes

f(n)=n==0=n<1?1:n

Unfortunately, Julia doesn't do implicit casting from int to bool~~Unfortunately, Julia doesn't do implicit casting from int to bool, so I have to burn an entire 3 characters just to do a comparison to zero.~~ Saved one byte by safely assuming the number isn't negative. Still too verbose for my taste, so I have to burn an entire 3 characters just to do a comparison to zerothough.

Julia, 13 bytes

f(n)=n==0?1:n

Unfortunately, Julia doesn't do implicit casting from int to bool, so I have to burn an entire 3 characters just to do a comparison to zero.

Julia, 13 12 bytes

f(n)=n<1?1:n

~~Unfortunately, Julia doesn't do implicit casting from int to bool, so I have to burn an entire 3 characters just to do a comparison to zero.~~ Saved one byte by safely assuming the number isn't negative. Still too verbose for my taste, though.

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created May 10, 2017 at 1:02

eaglgenes101

Julia, 13 bytes

f(n)=n==0?1:n

Unfortunately, Julia doesn't do implicit casting from int to bool, so I have to burn an entire 3 characters just to do a comparison to zero.