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node_modules/ramda/es/over.js

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+import _curry3 from "./internal/_curry3.js"; // `Identity` is a functor that holds a single value, where `map` simply
+// transforms the held value with the provided function.
+
+var Identity = function (x) {
+  return {
+    value: x,
+    map: function (f) {
+      return Identity(f(x));
+    }
+  };
+};
+/**
+ * Returns the result of "setting" the portion of the given data structure
+ * focused by the given lens to the result of applying the given function to
+ * the focused value.
+ *
+ * @func
+ * @memberOf R
+ * @since v0.16.0
+ * @category Object
+ * @typedefn Lens s a = Functor f => (a -> f a) -> s -> f s
+ * @sig Lens s a -> (a -> a) -> s -> s
+ * @param {Lens} lens
+ * @param {*} v
+ * @param {*} x
+ * @return {*}
+ * @see R.prop, R.lensIndex, R.lensProp
+ * @example
+ *
+ *      const headLens = R.lensIndex(0);
+ *
+ *      R.over(headLens, R.toUpper, ['foo', 'bar', 'baz']); //=> ['FOO', 'bar', 'baz']
+ */
+
+
+var over =
+/*#__PURE__*/
+_curry3(function over(lens, f, x) {
+  // The value returned by the getter function is first transformed with `f`,
+  // then set as the value of an `Identity`. This is then mapped over with the
+  // setter function of the lens.
+  return lens(function (y) {
+    return Identity(f(y));
+  })(x).value;
+});
+
+export default over;