Merge pull request #109 from alokmenghrajani/detect-opa-language

Add detection for opa (http://www.opalang.org/).

lib/linguist/languages.yml

@@ -692,6 +692,11 @@ Objective-J:
   - .j
   - .sj
 
+Opa:
+  type: programming
+  extensions:
+  - .opa
+
 OpenCL:
   type: programming
   group: C

test/fixtures/hello_syntax1.opa

@@ -0,0 +1,9 @@
+/**
+ * To compile & run on port 8080:
+ * opa hello_syntax1.opa --
+ */
+server = Server.one_page_server(
+   "Hello, world",
+   -> (<h1>Hello, world</h1>)
+)
+

test/fixtures/hello_syntax2.opa

@@ -0,0 +1,11 @@
+/**
+ * To compile & run on port 8080:
+ * opa --parser js-like hello_syntax2.opa --
+ */
+Server.start(
+   Server.http,
+   {
+     page: function() { <h1>Hello, world</h1> },
+     title: "Hello, world"
+   }
+)