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Updated docs for next
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@@ -31,7 +31,7 @@ class <span class="token class-name">MyList</span> extends <span class="token cl
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</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">setState<span class="token punctuation">(</span></span><span class="token punctuation">(</span>state<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">></span> <span class="token punctuation">{</span>
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<span class="token comment" spellcheck="true"> // copy the map rather than modifying state.
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</span> const selected <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Map</span><span class="token punctuation">(</span>state<span class="token punctuation">.</span>selected<span class="token punctuation">)</span><span class="token punctuation">;</span>
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selected<span class="token punctuation">.</span><span class="token keyword">set</span><span class="token punctuation">(</span>id<span class="token punctuation">,</span> <span class="token operator">!</span>state<span class="token punctuation">.</span><span class="token keyword">get</span><span class="token punctuation">(</span>id<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token comment" spellcheck="true"> // toggle
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selected<span class="token punctuation">.</span><span class="token keyword">set</span><span class="token punctuation">(</span>id<span class="token punctuation">,</span> <span class="token operator">!</span>selected<span class="token punctuation">.</span><span class="token keyword">get</span><span class="token punctuation">(</span>id<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token comment" spellcheck="true"> // toggle
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</span> <span class="token keyword">return</span> <span class="token punctuation">{</span>selected<span class="token punctuation">}</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span><span class="token punctuation">;</span>
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