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

svn: r18404

Browse Source
This commit is contained in:
Robby Findler 2010-03-01 12:25:55 +00:00
parent d90c0e548b
commit eeb5a8df0a
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
collects/scribblings/reference/futures.scrbl
View File

@ -31,7 +31,7 @@ detects an attempt to perform an operation that is too complex for the
system to run safely in parallel. Similarly, work in a future is system to run safely in parallel. Similarly, work in a future is
suspended if it depends in some way on the current continuation, such suspended if it depends in some way on the current continuation, such
as raising an exception. A suspended computation for a future is as raising an exception. A suspended computation for a future is
resumed when @scheme[touch] is applied to the future descriptor. resumed when @scheme[touch] is applied to the future.
``Safe'' parallel execution of a future means that all operations ``Safe'' parallel execution of a future means that all operations
provided by the system must be able to enforce contracts and produce provided by the system must be able to enforce contracts and produce
@ -52,7 +52,7 @@ in parallel. See also @guidesecref["effective-futures"].
@defproc[(touch [f future?]) any] @defproc[(touch [f future?]) any]
)]{ )]{
The @scheme[future] procedure returns a future-descriptor value that The @scheme[future] procedure returns a future value that
encapsulates @scheme[thunk]. The @scheme[touch] function forces the encapsulates @scheme[thunk]. The @scheme[touch] function forces the
evaluation of the @scheme[thunk] inside the given future, returning evaluation of the @scheme[thunk] inside the given future, returning
the values produced by @scheme[thunk]. After @scheme[touch] forces the values produced by @scheme[thunk]. After @scheme[touch] forces