svn: r16991

collects/scribblings/futures/futures.scrbl

@@ -0,0 +1,35 @@
+#lang scribble/doc
+
+@title{@bold{Futures}: Fine-grained Parallelism}
+
+@; ----------------------------------------------------------------------
+
+@(require scribble/manual
+          scribble/urls
+          scribble/struct
+          scheme/class
+          (for-label scheme/base
+                     scheme/gui/base
+                     scheme/class
+                     scheme/contract))
+
+@; ----------------------------------------------------------------------
+
+PLT's future support is only enabled if you pass @tt{--enable-futures} to @tt{configure} when
+you build PLT (and that build currently only works with @tt{mzscheme}, not with @tt{mred}).
+
+@defmodule['#%futures]{}
+
+@defproc[(future [thunk (-> any)]) future?]{
+  Starts running @scheme[thunk] in parallel.
+}
+
+@defproc[(touch [f future?]) any]{
+  Returns the value computed in the future @scheme[f], blocking
+  to let it complete if it hasn't yet completed.
+}
+
+@defproc[(future? [x any/c]) boolean?]{
+  Returns @scheme[#t] if @scheme[x] is a future.                               
+}
+

collects/scribblings/futures/info.ss

@@ -0,0 +1,3 @@
+#lang setup/infotab
+
+(define scribblings '(("futures.scrbl" ())))