help?> sort!
search: sort! sortperm! sort sortrows sortperm sortcols Cshort issorted

  sort!(v; alg::Algorithm=defalg(v), lt=isless, by=identity, rev::Bool=false, order::Ordering=Forward)

  Sort the vector v in place. QuickSort is used by default for numeric arrays
  while MergeSort is used for other arrays. You can specify an algorithm to
  use via the alg keyword (see Sorting Algorithms for available algorithms).
  The by keyword lets you provide a function that will be applied to each
  element before comparison; the lt keyword allows providing a custom "less
  than" function; use rev=true to reverse the sorting order. These options are
  independent and can be used together in all possible combinations: if both
  by and lt are specified, the lt function is applied to the result of the by
  function; rev=true reverses whatever ordering specified via the by and lt
  keywords.