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doc: '-> void' to '-> void?'

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(accepts anything non-#f vs. accepts (void))
This commit is contained in:
Ben Greenman 2020-02-27 15:50:22 -05:00
parent 8dd65db7e2
commit 354dfbac04
1 changed files with 5 additions and 5 deletions
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10
pkgs/racket-doc/scribblings/reference/networking.scrbl
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@ -367,7 +367,7 @@ If @racket[udp-socket] is closed, the @exnraise[exn:fail:network].}
[bstr bytes?]
[start-pos exact-nonnegative-integer? 0]
[end-pos exact-nonnegative-integer? (bytes-length bstr)])
void]{
void?]{
Sends @racket[(subbytes bytes start-pos end-pos)] as a datagram from
the unconnected @racket[udp-socket] to the socket at the remote
@ -388,7 +388,7 @@ If @racket[udp-socket] is closed or connected, the
[bstr bytes?]
[start-pos exact-nonnegative-integer? 0]
[end-pos exact-nonnegative-integer? (bytes-length bstr)])
void]{
void?]{
Like @racket[udp-send-to], except that @racket[udp-socket] must be
connected, and the datagram goes to the connection target. If
@ -422,7 +422,7 @@ never blocks and returns @racket[#f] or @racket[#t].}
[bstr bytes?]
[start-pos exact-nonnegative-integer? 0]
[end-pos exact-nonnegative-integer? (bytes-length bstr)])
void]{
void?]{
Like @racket[udp-send-to], but breaking is enabled (see
@secref["breakhandler"]) while trying to send the datagram. If
@ -435,7 +435,7 @@ is raised, but not both.}
[bstr bytes?]
[start-pos exact-nonnegative-integer? 0]
[end-pos exact-nonnegative-integer? (bytes-length bstr)])
void]{
void?]{
Like @racket[udp-send], except that breaks are enabled like
@racket[udp-send-to/enable-break].}
@ -496,7 +496,7 @@ exception is raised, but not both.}
@defproc[(udp-set-receive-buffer-size! [udp-socket udp?]
[size exact-positive-integer?])
void]{
void?]{
Set the receive buffer size (@tt{SO_RCVBUF}) for @racket[udp-socket].
Using a larger buffer can minimize packet loss that can occur due to