class << self

private :_dump

private :_dump_all

end

module_function

#

# Dump the contents of the ruby heap as JSON.

#

# _since_ must be a non-negative integer or +nil+.

#

# If _since_ is a positive integer, only objects of that generation and

# newer generations are dumped. The current generation can be accessed using

# are ignored. See ::trace_object_allocations for more information and

# examples.

#

# If _since_ is omitted or is +nil+, all objects are dumped.

#

# This method is only expected to work with C Ruby.

# This is an experimental method and is subject to change.

# In particular, the function signature and output format are

# not guaranteed to be compatible in future versions of ruby.

out = case output

when :file, nil

require 'tempfile'

raise ArgumentError, "wrong output option: #{output.inspect}"

end

return nil if output == :stdout

ret

end