@@ -0,0 +1,16 @@
+import * as RA from '../src';
+import eq from './shared/eq';
+
+describe('subtractValue', function() {
+  it('should subtract the first number from the second number', function() {
+    eq(RA.subtractValue(3, 5), 2);
+    eq(RA.subtractValue(5, 3), -2);
+    eq(RA.subtractValue(3, 'foo'), NaN);
+  });
+
+  it('should curry', function() {
+    eq(RA.subtractValue(3)(5), 2);
+    eq(RA.subtractValue(5)(3), -2);
+    eq(RA.subtractValue(3)('foo'), NaN);
+  });
+});
```js it('should curry', function() { eq(RA.subtractValue(3)(5), 2); eq(RA.subtractValue(3, 5), 2); });