106 lines
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106 lines
7.2 KiB
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<div class="subsubsection-level-extent" id="Weak-vectors">
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<p>
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Previous: <a href="Weak-hash-tables.html" accesskey="p" rel="prev">Weak hash tables</a>, Up: <a href="Weak-References.html" accesskey="u" rel="up">Weak References</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
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<h4 class="subsubsection" id="Weak-vectors-1"><span>6.17.3.2 Weak vectors<a class="copiable-link" href="#Weak-vectors-1"> ¶</a></span></h4>
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<dl class="first-deffn">
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<dt class="deffn" id="index-make_002dweak_002dvector"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">make-weak-vector</strong> <var class="def-var-arguments">size [fill]</var><a class="copiable-link" href="#index-make_002dweak_002dvector"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fmake_005fweak_005fvector"><span class="category-def">C Function: </span><span><strong class="def-name">scm_make_weak_vector</strong> <var class="def-var-arguments">(size, fill)</var><a class="copiable-link" href="#index-scm_005fmake_005fweak_005fvector"> ¶</a></span></dt>
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<dd><p>Return a weak vector with <var class="var">size</var> elements. If the optional
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argument <var class="var">fill</var> is given, all entries in the vector will be
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set to <var class="var">fill</var>. The default value for <var class="var">fill</var> is the
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empty list.
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</p></dd></dl>
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<dl class="first-deffn">
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<dt class="deffn" id="index-weak_002dvector"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">weak-vector</strong> <var class="def-var-arguments">elem …</var><a class="copiable-link" href="#index-weak_002dvector"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-list_002d_003eweak_002dvector"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">list->weak-vector</strong> <var class="def-var-arguments">l</var><a class="copiable-link" href="#index-list_002d_003eweak_002dvector"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fweak_005fvector"><span class="category-def">C Function: </span><span><strong class="def-name">scm_weak_vector</strong> <var class="def-var-arguments">(l)</var><a class="copiable-link" href="#index-scm_005fweak_005fvector"> ¶</a></span></dt>
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<dd><p>Construct a weak vector from a list: <code class="code">weak-vector</code> uses
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the list of its arguments while <code class="code">list->weak-vector</code> uses
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its only argument <var class="var">l</var> (a list) to construct a weak vector
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the same way <code class="code">list->vector</code> would.
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</p></dd></dl>
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<dl class="first-deffn">
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<dt class="deffn" id="index-weak_002dvector_003f"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">weak-vector?</strong> <var class="def-var-arguments">obj</var><a class="copiable-link" href="#index-weak_002dvector_003f"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fweak_005fvector_005fp"><span class="category-def">C Function: </span><span><strong class="def-name">scm_weak_vector_p</strong> <var class="def-var-arguments">(obj)</var><a class="copiable-link" href="#index-scm_005fweak_005fvector_005fp"> ¶</a></span></dt>
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<dd><p>Return <code class="code">#t</code> if <var class="var">obj</var> is a weak vector.
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</p></dd></dl>
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<dl class="first-deffn">
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<dt class="deffn" id="index-weak_002dvector_002dref"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">weak-vector-ref</strong> <var class="def-var-arguments">wvect k</var><a class="copiable-link" href="#index-weak_002dvector_002dref"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fweak_005fvector_005fref"><span class="category-def">C Function: </span><span><strong class="def-name">scm_weak_vector_ref</strong> <var class="def-var-arguments">(wvect, k)</var><a class="copiable-link" href="#index-scm_005fweak_005fvector_005fref"> ¶</a></span></dt>
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<dd><p>Return the <var class="var">k</var>th element of the weak vector <var class="var">wvect</var>, or
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<code class="code">#f</code> if that element has been collected.
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</p></dd></dl>
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<dl class="first-deffn">
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<dt class="deffn" id="index-weak_002dvector_002dset_0021"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">weak-vector-set!</strong> <var class="def-var-arguments">wvect k elt</var><a class="copiable-link" href="#index-weak_002dvector_002dset_0021"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fweak_005fvector_005fset_005fx"><span class="category-def">C Function: </span><span><strong class="def-name">scm_weak_vector_set_x</strong> <var class="def-var-arguments">(wvect, k, elt)</var><a class="copiable-link" href="#index-scm_005fweak_005fvector_005fset_005fx"> ¶</a></span></dt>
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<dd><p>Set the <var class="var">k</var>th element of the weak vector <var class="var">wvect</var> to <var class="var">elt</var>.
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</p></dd></dl>
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</div>
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<hr>
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<p>
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Previous: <a href="Weak-hash-tables.html">Weak hash tables</a>, Up: <a href="Weak-References.html">Weak References</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
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