This is partial, not curry

tshemsedinov · tshemsedinov · commit 6c38148676d4 · 2018-10-17T01:34:09.000+03:00
diff --git a/JavaScript/1-simple.js b/JavaScript/1-simple.js
@@ -1,12 +1,10 @@
 'use strict';
 
-const curry = (fn, x) => (...args) => fn(x, ...args);
+const partial = (fn, ...args) => (...rest) => fn(...args.concat(rest));
 
-const projection = (fields, obj) => (
-  Object.keys(obj)
-    .filter(field => fields.includes(field))
-    .reduce((hash, key) => (hash[key] = obj[key], hash), {})
-);
+const projection = (fields, obj) => Object.keys(obj)
+  .filter(field => fields.includes(field))
+  .reduce((hash, key) => (hash[key] = obj[key], hash), {});
 
 // Dataset
 
@@ -20,8 +18,8 @@ const persons = [
 
 // Usage
 
-const p1 = curry(projection, ['name', 'born']);
-const p2 = curry(projection, ['name']);
+const p1 = partial(projection, ['name', 'born']);
+const p2 = partial(projection, ['name']);
 
 const data = persons.map(p1).map(p2);
 console.dir(data);
diff --git a/JavaScript/2-extended.js b/JavaScript/2-extended.js
@@ -1,16 +1,15 @@
 'use strict';
 
-const curry = (fn, x) => (...args) => fn(x, ...args);
+const partial = (fn, ...args) => (...rest) => fn(...args.concat(rest));
 
 // Projection
 
-const projection = (meta, obj) => (
-  Object.keys(meta).reduce((hash, key) => (
+const projection = (meta, obj) => Object.keys(meta)
+  .reduce((hash, key) => (
     hash[key] = meta[key].reduce(
       (val, fn, i) => (i === 0 ? obj[fn] : fn(val)), null
     ), hash
-  ), {})
-);
+  ), {});
 
 // Dataset
 
@@ -34,6 +33,6 @@ const md = {
 
 // Usage
 
-const p1 = curry(projection, md);
+const p1 = partial(projection, md);
 const data = persons.map(p1);
 console.dir(data);
