JuliaLang/julia — pull request #8996 by goretkin (2014-11-12 19:12:31+00:00)
Title: digits should accept values of "pad" that are unsigned

otherwise, even tough `pad` should be non-negative
julia> digits(5,2,uint64(8))
ERROR: `digits` has no method matching digits(::Int64, ::Int64, ::Uint64)