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Small corrections to the futures documentation.

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This commit is contained in:
James Swaine 2010-09-21 11:15:50 -05:00
parent 98c9ad4d22
commit bd799c3db9
1 changed files with 4 additions and 4 deletions
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8
collects/scribblings/reference/futures.scrbl
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@ -54,8 +54,8 @@ in parallel. See also @guidesecref["effective-futures"].
evaluation of the @racket[thunk] inside the given future, returning
the values produced by @racket[thunk]. After @racket[touch] forces
the evaluation of a @racket[thunk], the resulting values are retained
by the future descriptor in place of @racket[thunk], and additional
@racket[touch]es of the future descriptor return those values.
by the future in place of @racket[thunk], and additional
@racket[touch]es of the future return those values.
Between a call to @racket[future] and @racket[touch] for a given
future, the given @racket[thunk] may run speculatively in parallel to
@ -68,7 +68,7 @@ in parallel. See also @guidesecref["effective-futures"].
]}
@defproc[(current-future) any]{
@defproc[(current-future) (or/c #f future?)]{
Returns the descriptor for the future that is evaluating the current thunk.
If not currently running inside a future thunk (or
futures are disabled), returns @racket[#f].
@ -76,7 +76,7 @@ in parallel. See also @guidesecref["effective-futures"].
@defproc[(future? [v any/c]) boolean?]{
Returns @racket[#t] if @racket[v] is a future-descriptor value,
Returns @racket[#t] if @racket[v] is a future value,
@racket[#f] otherwise.
}