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38 lines
1.2 KiB
TypeScript
38 lines
1.2 KiB
TypeScript
// Loaded from https://deno.land/x/ramda@v0.27.2/source/o.js
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import _curry3 from './internal/_curry3.js';
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/**
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* `o` is a curried composition function that returns a unary function.
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* Like [`compose`](#compose), `o` performs right-to-left function composition.
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* Unlike [`compose`](#compose), the rightmost function passed to `o` will be
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* invoked with only one argument. Also, unlike [`compose`](#compose), `o` is
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* limited to accepting only 2 unary functions. The name o was chosen because
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* of its similarity to the mathematical composition operator ∘.
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*
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* @func
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* @memberOf R
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* @since v0.24.0
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* @category Function
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* @sig (b -> c) -> (a -> b) -> a -> c
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* @param {Function} f
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* @param {Function} g
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* @return {Function}
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* @see R.compose, R.pipe
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* @example
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*
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* const classyGreeting = name => "The name's " + name.last + ", " + name.first + " " + name.last
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* const yellGreeting = R.o(R.toUpper, classyGreeting);
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* yellGreeting({first: 'James', last: 'Bond'}); //=> "THE NAME'S BOND, JAMES BOND"
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*
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* R.o(R.multiply(10), R.add(10))(-4) //=> 60
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*
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* @symb R.o(f, g, x) = f(g(x))
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*/
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var o = _curry3(function o(f, g, x) {
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return f(g(x));
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});
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export default o;
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