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<title>BQN: Double Acute Accent (˝)</title>
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<h1 id="double-acute-accent-"><a class="header" href="#double-acute-accent-">Double Acute Accent (<code><span class='Modifier'>˝</span></code>)</a></h1>
<h2 id="𝔽-𝕩-insert"><a class="header" href="#𝔽-𝕩-insert"><code><span class='Function'>𝔽</span><span class='Modifier'>˝</span> <span class='Value'>𝕩</span></code>: Insert</a></h2>
<p>Fold over cells of <code><span class='Value'>𝕩</span></code> with <code><span class='Function'>𝔽</span></code> from end to start, that is, insert <code><span class='Function'>𝔽</span></code> between the major cells 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=YSDihpAgM+KAvzMg4qWKIOKGlTkKCivLnSBhCgow4oC/MeKAvzIgKyAz4oC/NOKAvzUgKyA24oC/N+KAvzg=">↗️</a><pre> <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='Function'>↕</span><span class='Number'>9</span>
<span class='Function'>+</span><span class='Modifier'>˝</span> <span class='Value'>a</span>
⟨ 9 12 15 ⟩
<span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>+</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span> <span class='Function'>+</span> <span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>8</span>
⟨ 9 12 15 ⟩
</pre>
<h2 id="𝕨-𝔽-𝕩-insert-with-initial"><a class="header" href="#𝕨-𝔽-𝕩-insert-with-initial"><code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span><span class='Modifier'>˝</span> <span class='Value'>𝕩</span></code>: Insert With Initial</a></h2>
<p>Monadic insert, but use <code><span class='Value'>𝕨</span></code> as initial right argument.</p>
<p>If</p>
<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=YiDihpAgM+KAvzMg4qWKIOKGlTkKCjHigL8x4oC/MSAry50gYgoKMSAry50gYgoKMOKAvzHigL8yICsgM+KAvzTigL81ICsgNuKAvzfigL84ICsgMeKAvzHigL8x">↗️</a><pre> <span class='Value'>b</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='Function'>↕</span><span class='Number'>9</span>
<span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>1</span> <span class='Function'>+</span><span class='Modifier'>˝</span> <span class='Value'>b</span>
⟨ 10 13 16 ⟩
<span class='Number'>1</span> <span class='Function'>+</span><span class='Modifier'>˝</span> <span class='Value'>b</span>
⟨ 10 13 16 ⟩
<span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>+</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span> <span class='Function'>+</span> <span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>8</span> <span class='Function'>+</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>1</span>
⟨ 10 13 16 ⟩
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