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f n=['-'|n>0]++(tail$[1..abs n]>>"-~")++"0"
f n|n<0=tail.f$abs n|x<n|n<0=tail$f(-n)|x<-[1..n]>>"-~"=x++"0"
Thanks to nimi for taking a byte, and then giving it right back again3 bytes
f n|n<0=tail.f$abs n|x<-[1..n]>>"-~"=x++"0"
Thanks to nimi for taking a byte, and then giving it right back again
f n|n<0=tail$f(-n)|x<-[1..n]>>"-~"=x++"0"
Thanks to nimi for 3 bytes
f n|n<0=tail.f$abs n|1<2=(n|x<-[1..n]>>"-~")++"0"~"=x++"0"
f n|n<0=tail.f$abs n|1<2=([1..n]>>"-~")++"0"
f n=['-'|n>0]++n|n<0=tail.f$abs n|1<2=(tail$[1[1..abs n]>>"-~")++"0"
