This method is deprecated or moved on the latest stable version.
The last existing version (v2_2_9) is shown here.
trace_on(out, *strings)
public
Write trace output to output stream out.
The write is done as a single IO call (to print) to
lessen the chance that the trace output is interrupted by other tasks also
producing output.
# File lib/rake/trace_output.rb, line 9
def trace_on(out, *strings)
sep = $\ || "\n"
if strings.empty?
output = sep
else
output = strings.map { |s|
next if s.nil?
s =~ /#{sep}$/ ? s : s + sep
}.join
end
out.print(output)
end