# ^response:stream[]: the headers go with the first part, the result of @main is not sent
@main[]
not sent
$response:x-test[sent with the first part]
# a part is checked before the headers are sent
^try{ ^response:stream(true) }{ $exception.handled(true) $response:x-bool[$exception.comment] }
^try{ ^response:stream[^file::stat[464.html]] }{ $exception.handled(true) $response:x-stat[$exception.comment] }
^response:stream[1. string, untainted: ^taint[<b>]
]
not sent either
^response:stream[^file::create[text;part.txt;2. file
]]
$response:x-late[too late, not sent]
^response:stream[3. number and void: |]
^response:stream(3)
^response:stream[$void]
^response:stream[|
]
^check{^response:stream[$.a[1]]}
^check{^response:stream[^table::create{a}]}
^check{^response:stream{code}}
^response:stream[5. the last part
]

@check[code]
^try{$code}{ $exception.handled(true) ^response:stream[4. $exception.comment^#0A] }

@postprocess[body]
^response:stream[not sent: @postprocess is not called]