# util
#
# Miscellaneous utility functions
#
# Copyright © 1994–2017 martin f. krafft <madduck@madduck.net>
# Released under the terms of the Artistic Licence 2.0
#
# Source repository: http://git.madduck.net/v/etc/zsh.git
#

is_root() {
  test ${EUID:?} -eq 0
}

array_prepend() {
  local arrayname="$1"; shift
  local i
  for i; do
    eval "$arrayname=(\$i \${$arrayname[@]/\$i})"
  done
}

array_append() {
  local arrayname="$1"; shift
  local i
  for i; do
    eval "$arrayname=(\${$arrayname[@]/\$i} \$i)"
  done
}

function trace() { ( eval "set -x; $@"; ) }

# vim:ft=zsh