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<title>BQN: Left Pointing Double Angle Quotation («)</title>
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<div class="nav">(<a href="https://github.com/mlochbaum/BQN">github</a>) / <a href="../index.html">BQN</a> / <a href="index.html">help</a></div>
<h1 id="left-pointing-double-angle-quotation-"><a class="header" href="#left-pointing-double-angle-quotation-">Left Pointing Double Angle Quotation (<code><span class='Function'>«</span></code>)</a></h1>
<h2 id="--shift-before"><a class="header" href="#--shift-before"><code><span class='Function'>«</span> <span class='Value'>𝕩</span></code>: Shift Before</a></h2>
<p>Remove the first element of <code><span class='Value'>𝕩</span></code>, add a cell of fill values to the end of the first axis of <code><span class='Value'>𝕩</span></code>.</p>
<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgNzggwqsgMeKAvzLigL8zCgogICDCqyAx4oC/MuKAvzMKCiAgIMKrIDPigL8zIOKliiA5">↗️</a><pre> <span class='Number'>78</span> <span class='Function'>«</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
⟨ 2 3 78 ⟩
<span class='Function'>«</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
⟨ 2 3 0 ⟩
<span class='Function'>«</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>9</span>
┌─
╵ 9 9 9
9 9 9
0 0 0
┘
</pre>
<h2 id="---shift-before"><a class="header" href="#---shift-before"><code><span class='Value'>𝕨</span> <span class='Function'>«</span> <span class='Value'>𝕩</span></code>: Shift Before</a></h2>
<p>Remove the first <code><span class='Function'>≠</span><span class='Value'>𝕨</span></code> (length) major cells from <code><span class='Value'>𝕩</span></code>, join <code><span class='Value'>𝕨</span></code> to the end of <code><span class='Value'>𝕩</span></code>. Ranks must match.</p>
<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgOOKAvzUgwqsgMeKAvzLigL8zCgogICBhIOKGkCAz4oC/MyDipYogOQoKICAgMeKAvzLigL8zIMKrIGE=">↗️</a><pre> <span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>5</span> <span class='Function'>«</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
⟨ 3 8 5 ⟩
<span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>9</span>
<span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>«</span> <span class='Value'>a</span>
┌─
╵ 9 9 9
9 9 9
1 2 3
┘
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