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doc: Document #:hide.

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* doc/ref/api-modules.texi (Using Guile Modules): Document #:hide.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
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Tomas Volf 2024-06-27 16:18:51 +02:00 • committed by Ludovic Courtès
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doc/ref/api-modules.texi
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@ -196,25 +196,32 @@ whose public interface is found and used.
@cindex binding renamer
@lisp
(MODULE-NAME [#:select SELECTION]
[#:hide HIDE]
[#:prefix PREFIX]
[#:renamer RENAMER])
@end lisp
in which case a custom interface is newly created and used.
@var{module-name} is a list of symbols, as above; @var{selection} is a
list of selection-specs; @var{prefix} is a symbol that is prepended to
imported names; and @var{renamer} is a procedure that takes a symbol and
returns its new name. A selection-spec is either a symbol or a pair of
symbols @code{(ORIG . SEEN)}, where @var{orig} is the name in the used
module and @var{seen} is the name in the using module. Note that
@var{seen} is also modified by @var{prefix} and @var{renamer}.
list of selection-specs; @var{hide} is a list of bindings which should
not be imported; @var{prefix} is a symbol that is prepended to imported
names; and @var{renamer} is a procedure that takes a symbol and returns
its new name. A selection-spec is either a symbol or a pair of symbols
@code{(ORIG . SEEN)}, where @var{orig} is the name in the used module
and @var{seen} is the name in the using module. Note that @var{seen} is
also modified by @var{prefix} and @var{renamer}.
The @code{#:select}, @code{#:prefix}, and @code{#:renamer} clauses are
optional. If all are omitted, the returned interface has no bindings.
If the @code{#:select} clause is omitted, @var{prefix} and @var{renamer}
operate on the used module's public interface.
The @code{#:select}, @code{#:hide}, @code{#:prefix}, and
@code{#:renamer} clauses are optional. If all are omitted, the returned
interface has no bindings. If the @code{#:select} clause is omitted,
@var{prefix} and @var{renamer} operate on the used module's public
interface.
In addition to the above, @var{spec} can also include a @code{#:version}
The @code{#:hide} operates on list of bindings in the module being
imported, before any renaming is performed. If both @code{#:select} and
@code{#:hide} contain a binding, the @code{#:hide} wins.
In addition to the above, @var{spec} can also include a @code{#:version}
clause, of the form:
@lisp