suzanne.soy/racket
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fixed docs for state clauses; closes PR 14481

Browse Source
This commit is contained in:
Matthias Felleisen 2014-05-04 18:40:29 -04:00
parent 16956c3daf
commit 33794ee8aa
1 changed files with 9 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
pkgs/htdp-pkgs/htdp-doc/teachpack/2htdp/scribblings/universe.scrbl
View File

@ -196,7 +196,7 @@ The design of a world program demands that you come up with a data
(stop-when stop-expr) (stop-when stop-expr last-scene-expr)
(check-with world?-expr)
(record? r-expr)
(state boolean-expr)
(state expr)
(on-receive rec-expr)
(register IP-expr)
(port Port-expr)
@ -709,7 +709,8 @@ and @racket[big-bang] will close down all event handling.}
@item{
@defform[(check-with world-expr?)
@defform[#:literals (check-with)
(check-with world-expr?)
#:contracts
([world-expr? (-> Any boolean?)])]{
tells DrRacket to call the @racket[world-expr?] function on the result of
@ -719,7 +720,8 @@ and @racket[big-bang] will close down all event handling.}
@item{
@defform[(record? r-expr)
@defform[#:literals (record?)
(record? r-expr)
#:contracts
([r-expr any/c])]{
tells DrRacket to enable a visual replay of the interaction,
@ -733,10 +735,8 @@ and @racket[big-bang] will close down all event handling.}
@item{
@defform[(state boolean-expr)
#:contracts
([boolean-expr boolean?])]{
tells DrRacket to display a separate window in which the current
@defform[#:literals (state) (state expr)]{
if not @racket[#f], DrRacket opens a separate window in which the current
state is rendered each time it is updated. This is useful for beginners
who wish to see how their world evolves---without having to design a
rendering function---plus for the debugging of world programs.
@ -1170,7 +1170,7 @@ The @tech{server} itself is created with a description that includes the
(on-tick tick-expr rate-expr)
(on-tick tick-expr rate-expr limit-expr)
(on-disconnect dis-expr)
(state boolean-expr)
(state expr)
(to-string render-expr)
(port port-expr)
(check-with universe?-expr)
@ -1303,9 +1303,7 @@ optional handlers:
}
@item{
@defform/none[(state boolean-expr)
#:contracts
([boolean-expr boolean?])]{
@defform/none[#:literals (state) (state expr)]{
tells DrRacket to display a separate window in which the current
state is rendered each time it is updated. This is mostly useful for
debugging server programs.