feat(pattern): add otherwise as alias to _, both matches everything

src/index.js

@@ -97,9 +97,11 @@ const _ = {
     return null;
   }
 }
+const otherwise = _
 const id = (x) => x
 export default {
   match,
   _,
+  otherwise,
   id,
 }

test/misc.spec.coffee

@@ -3,6 +3,7 @@ matchJS = require '../lib/match-js'
 match = matchJS.match
 _ = matchJS._
 id = matchJS.id
+otherwise = matchJS.otherwise
 
 chai.expect()
 expect = chai.expect
@@ -24,14 +25,22 @@ describe 'Miscellaneous useages', ->
     )
     expect(m).to.be.equal 'Match 1 2 3'
 
-  it 'default pattern that matches everything', ->
+  it 'default pattern (_) that matches everything', ->
     i = 3
     m = match(i)(
       [1, "ONE"],
       [2, "TOW"],
-      [_, ()->"ANY is "+i+""]
+      [_, ()->"_ matches "+i]
     )
-    expect(m).to.be.equal 'ANY is 3'
+    expect(m).to.be.equal '_ matches 3'
+  it 'default pattern (otherwise) that matches everything', ->
+      i = 3
+      m = match(i)(
+        [1, "ONE"],
+        [2, "TOW"],
+        [otherwise, ()->"otherwise matches "+i]
+      )
+      expect(m).to.be.equal 'otherwise matches 3'
 
   it 'id functions returns the same input value', ->
     x = 10

test/misc.spec.es5.js

@@ -1,8 +1,9 @@
 var chai = require('chai');
-var matchjs = require('../lib/match-js');
-var match = matchjs.match;
-var _ = matchjs._;
-var id = matchjs.id;
+var matchJS = require('../lib/match-js');
+var match = matchJS.match;
+var _ = matchJS._;
+var id = matchJS.id;
+var otherwise = matchJS.otherwise;
 
 chai.expect();
 var expect = chai.expect;
@@ -25,15 +26,25 @@ describe('Miscellaneous useages', function() {
     )
     expect(m).to.be.equal('Match 1 2 3');
   });
-  it('wildcard pattern that matches everything', function() {
+  it('default pattern (_) that matches everything', function() {
     var i = 3;
     var m = match(i)(
       [1, "ONE"],
       [2, "TOW"],
-      [_, function(){ return "ANY is "+i; }]
+      [_, function(){ return "_ matches "+i; }]
     )
-    expect(m).to.be.equal('ANY is 3');
+    expect(m).to.be.equal('_ matches 3');
   });
+  it('default pattern (otherwise) that matches everything', function() {
+    var i = 3;
+    var m = match(i)(
+      [1, "ONE"],
+      [2, "TOW"],
+      [otherwise, function(){ return "otherwise matches "+i; }]
+    )
+    expect(m).to.be.equal('otherwise matches 3');
+  });
+
   it('id functions returns the same input value', function() {
     var x = 10;
     var m = match(x)(

test/misc.spec.es6.js

@@ -1,5 +1,5 @@
 import chai from 'chai';
-import {_, id, match} from '../lib/match-js';
+import {_, otherwise, id, match} from '../lib/match-js';
 
 chai.expect();
 const expect = chai.expect;
@@ -22,14 +22,23 @@ describe('Miscellaneous useages', function () {
     )
     expect(m).to.be.equal('Match 1 2 3');
   });
-  it('default pattern that matches everything', () => {
+  it('default pattern (_) that matches everything', () => {
     const i = 3;
     const m = match(i)(
       [1, "ONE"],
       [2, "TOW"],
-      [_, ()=>"ANY is "+i+""]
+      [_, ()=>"_ matches "+i]
     )
-    expect(m).to.be.equal('ANY is 3');
+    expect(m).to.be.equal('_ matches 3');
+  });
+  it('default pattern (otherwise) that matches everything', () => {
+    const i = 3;
+    const m = match(i)(
+      [1, "ONE"],
+      [2, "TOW"],
+      [otherwise, ()=>"otherwise matches "+i+""]
+    )
+    expect(m).to.be.equal('otherwise matches 3');
   });
   it('id functions returns the same input value', () => {
     const x = 10;