--attrs "$(_genattrs)"
  if [[ $was_execution_trace == 1 ]]; then
    { set -x; } 2>/dev/null
  fi
  return "$result"
}

# Usage: tracing::decorate <function>
# Automatically makes a function traced.
function tracing::decorate() {
eval "\
function $1() {
_$(typeset -f "$1")
tracing::run '$1' _$1
}
"