Travis build: 9
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72
README.md
72
README.md
@ -503,16 +503,16 @@ const firstTwoMax = ary(Math.max, 2);
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<br>[⬆ Back to top](#table-of-contents)
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### call
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Given a key and a set of arguments, call them when given a context. Primarily useful in composition.
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Use a closure to call a stored key with stored arguments.
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### call
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Given a key and a set of arguments, call them when given a context. Primarily useful in composition.
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Use a closure to call a stored key with stored arguments.
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```js
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const call = (key, ...args) => context => context[key](...args);
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```
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```
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<details>
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<summary>Examples</summary>
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@ -524,23 +524,23 @@ const map = call.bind(null, 'map');
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Promise.resolve([1, 2, 3])
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.then(map(x => 2 * x))
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.then(console.log); //[ 2, 4, 6 ]
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```
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```
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</details>
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<br>[⬆ Back to top](#table-of-contents)
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### collectInto
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Changes a function that accepts an array into a variadic function.
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Given a function, return a closure that collects all inputs into an array-accepting function.
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### collectInto
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Changes a function that accepts an array into a variadic function.
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Given a function, return a closure that collects all inputs into an array-accepting function.
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```js
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const collectInto = fn => (...args) => fn(args);
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```
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```
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<details>
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<summary>Examples</summary>
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@ -550,23 +550,23 @@ let p1 = Promise.resolve(1);
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let p2 = Promise.resolve(2);
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let p3 = new Promise(resolve => setTimeout(resolve, 2000, 3));
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Pall(p1, p2, p3).then(console.log); // [1, 2, 3] (after about 2 seconds)
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```
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```
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</details>
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<br>[⬆ Back to top](#table-of-contents)
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### flip
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Flip takes a function as an argument, then makes the first argument the last.
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Return a closure that takes variadic inputs, and splices the last argument to make it the first argument before applying the rest.
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### flip
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Flip takes a function as an argument, then makes the first argument the last.
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Return a closure that takes variadic inputs, and splices the last argument to make it the first argument before applying the rest.
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```js
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const flip = fn => (first, ...rest) => fn(...rest, first);
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```
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```
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<details>
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<summary>Examples</summary>
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@ -578,7 +578,7 @@ let mergePerson = mergeFrom.bind(null, a);
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mergePerson(b); // == b
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b = {};
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Object.assign(b, a); // == b
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```
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```
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</details>
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@ -754,23 +754,23 @@ rearged('b', 'c', 'a'); // ['a', 'b', 'c']
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<br>[⬆ Back to top](#table-of-contents)
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### spreadOver
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Takes a variadic function and returns a closure that accepts an array of arguments to map to the inputs of the function.
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Use closures and the spread operator (`...`) to map the array of arguments to the inputs of the function.
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### spreadOver
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Takes a variadic function and returns a closure that accepts an array of arguments to map to the inputs of the function.
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Use closures and the spread operator (`...`) to map the array of arguments to the inputs of the function.
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```js
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const spreadOver = fn => argsArr => fn(...argsArr);
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```
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```
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<details>
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<summary>Examples</summary>
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```js
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const arrayMax = spreadOver(Math.max);
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arrayMax([1, 2, 3]); // 3
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```
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```
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</details>
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@ -110,7 +110,7 @@
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</pre><button class="primary clipboard-copy">📋 Copy to clipboard</button></div></div><div class="card fluid"><h3 id="equals" class="section double-padded">equals<mark class="tag">advanced</mark></h3><div class="section double-padded"><p>Performs a deep comparison between two values to determine if they are equivalent.</p><p>Check if the two values are identical, if they are both <code>Date</code> objects with the same time, using <code>Date.getTime()</code> or if they are both non-object values with an equivalent value (strict comparison). Check if only one value is <code>null</code> or <code>undefined</code> or if their prototypes differ. If none of the above conditions are met, use <code>Object.keys()</code> to check if both values have the same number of keys, then use <code>Array.every()</code> to check if every key in the first value exists in the second one and if they are equivalent by calling this method recursively.</p><pre class="language-js"><span class="token keyword">const</span> <span class="token function-variable function">equals</span> <span class="token operator">=</span> <span class="token punctuation">(</span>a<span class="token punctuation">,</span> b<span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
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<span class="token keyword">if</span> <span class="token punctuation">(</span>a <span class="token operator">===</span> b<span class="token punctuation">)</span> <span class="token keyword">return</span> <span class="token boolean">true</span><span class="token punctuation">;</span>
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<span class="token keyword">if</span> <span class="token punctuation">(</span>a <span class="token keyword">instanceof</span> <span class="token class-name">Date</span> <span class="token operator">&&</span> b <span class="token keyword">instanceof</span> <span class="token class-name">Date</span><span class="token punctuation">)</span> <span class="token keyword">return</span> a<span class="token punctuation">.</span><span class="token function">getTime</span><span class="token punctuation">()</span> <span class="token operator">===</span> b<span class="token punctuation">.</span><span class="token function">getTime</span><span class="token punctuation">();</span>
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<span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token operator">!</span>a <span class="token operator">|| !</span>b <span class="token operator">||</span> <span class="token punctuation">(</span><span class="token keyword">typeof</span> a <span class="token operator">!=</span> <span class="token string">'object'</span> <span class="token operator">&&</span> <span class="token keyword">typeof</span> b <span class="token operator">!==</span> <span class="token string">'object'</span><span class="token punctuation">))</span> <span class="token keyword">return</span> a <span class="token operator">===</span> b<span class="token punctuation">;</span>
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<span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token operator">!</span>a <span class="token operator">|| !</span>b <span class="token operator">||</span> <span class="token punctuation">(</span><span class="token keyword">typeof</span> a <span class="token operator">!==</span> <span class="token string">'object'</span> <span class="token operator">&&</span> <span class="token keyword">typeof</span> b <span class="token operator">!==</span> <span class="token string">'object'</span><span class="token punctuation">))</span> <span class="token keyword">return</span> a <span class="token operator">===</span> b<span class="token punctuation">;</span>
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<span class="token keyword">if</span> <span class="token punctuation">(</span>a <span class="token operator">===</span> <span class="token keyword">null</span> <span class="token operator">||</span> a <span class="token operator">===</span> undefined <span class="token operator">||</span> b <span class="token operator">===</span> <span class="token keyword">null</span> <span class="token operator">||</span> b <span class="token operator">===</span> undefined<span class="token punctuation">)</span> <span class="token keyword">return</span> <span class="token boolean">false</span><span class="token punctuation">;</span>
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<span class="token keyword">if</span> <span class="token punctuation">(</span>a<span class="token punctuation">.</span>prototype <span class="token operator">!==</span> b<span class="token punctuation">.</span>prototype<span class="token punctuation">)</span> <span class="token keyword">return</span> <span class="token boolean">false</span><span class="token punctuation">;</span>
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<span class="token keyword">let</span> keys <span class="token operator">=</span> Object<span class="token punctuation">.</span><span class="token function">keys</span><span class="token punctuation">(</span>a<span class="token punctuation">);</span>
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