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Revert "doc: Consider `stream-null' as a variable."

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This reverts commit 4a0821a8d5.
This commit is contained in:
Mark H Weaver 2013-03-29 11:33:59 -04:00
parent 4702deb424
commit 0ddf484d3e
1 changed files with 6 additions and 6 deletions
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12
doc/ref/srfi-modules.texi
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@ -3844,7 +3844,7 @@ again. SRFI-41 can be made available with:
SRFI-41 Streams are based on two mutually-recursive abstract data types:
An object of the @code{stream} abstract data type is a promise that,
when forced, is either @var{stream-null} or is an object of type
when forced, is either @code{stream-null} or is an object of type
@code{stream-pair}. An object of the @code{stream-pair} abstract data
type contains a @code{stream-car} and a @code{stream-cdr}, which must be
a @code{stream}. The essential feature of streams is the systematic
@ -3862,16 +3862,16 @@ stream, and is only forced on demand.
@subsubsection SRFI-41 Stream Primitives
This library provides eight operators: constructors for
@var{stream-null} and @code{stream-pair}s, type predicates for streams
@code{stream-null} and @code{stream-pair}s, type predicates for streams
and the two kinds of streams, accessors for both fields of a
@code{stream-pair}, and a lambda that creates procedures that return
streams.
@defvr {Scheme Variable} stream-null
@deffn {Scheme Variable} stream-null
A promise that, when forced, is a single object, distinguishable from
all other objects, that represents the null stream. @var{stream-null}
all other objects, that represents the null stream. @code{stream-null}
is immutable and unique.
@end defvr
@end deffn
@deffn {Scheme Syntax} stream-cons object-expr stream-expr
Creates a newly-allocated stream containing a promise that, when forced,
@ -4003,7 +4003,7 @@ Returns a newly-allocated stream containing the elements from
Returns a newly-allocated stream containing in its elements the
characters on the port. If @var{port} is not given it defaults to the
current input port. The returned stream has finite length and is
terminated by @var{stream-null}.
terminated by @code{stream-null}.
It looks like one use of @code{port->stream} would be this: