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<span class="hljs-keyword">var</span> noop = <span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params"></span>) </span>{};
<span class="hljs-keyword">var</span> identity = <span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params">foo</span>) </span>{
<span class="hljs-keyword">return</span> foo;
};
<span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">println</span>(<span class="hljs-params">value: <span class="hljs-built_in">string</span></span>)</span>;
<span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">getArray</span>(<span class="hljs-params"></span>): <span class="hljs-title">number</span>[] </span>{
<span class="hljs-keyword">return</span> [<span class="hljs-number">1</span>, <span class="hljs-number">2</span>];
}
<span class="hljs-keyword">type</span> Foo = {
functionInFoo(): <span class="hljs-built_in">void</span>;
};
<span class="hljs-keyword">const</span> good = <span class="hljs-function">() =></span> <span class="hljs-number">0</span>;
<span class="hljs-keyword">const</span> good = <span class="hljs-function">(<span class="hljs-params">x</span>) =></span> <span class="hljs-number">0</span>;
<span class="hljs-keyword">const</span> bad = (<span class="hljs-function"><span class="hljs-params">a</span> =></span> [...a, b]);
<span class="hljs-keyword">const</span> bad = (<span class="hljs-function"><span class="hljs-params">_</span> =></span> doSomething());
<span class="hljs-keyword">const</span> bad = (<span class="hljs-function">() =></span> <span class="hljs-number">0</span>);
<span class="hljs-keyword">const</span> bad = (<span class="hljs-function">(<span class="hljs-params">a, b</span>) =></span> [...a, b]);
<span class="hljs-keyword">const</span> array = [<span class="hljs-number">1</span>, <span class="hljs-number">2</span>, <span class="hljs-number">3</span>].reduce<<span class="hljs-built_in">number</span>[]>(<span class="hljs-function">(<span class="hljs-params">acc, next</span>) =></span> [...acc, next], []);
<span class="hljs-keyword">const</span> bad = (<span class="hljs-function">(<span class="hljs-params">a=<span class="hljs-number">2</span>, b=<span class="hljs-number">5</span></span>) =></span> [...a, b]);
sides.every(<span class="hljs-function">(<span class="hljs-params">length,width=(<span class="hljs-number">3</span>+<span class="hljs-number">2</span>+(<span class="hljs-number">4</span>/<span class="hljs-number">5</span>))</span>) =></span> length > <span class="hljs-number">0</span> );
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