Added error test case for attempting to require implementation parameters for main function

Author: IsaacShelton

Diff for: src/hash_map_ext.rs

@@ -18,7 +18,7 @@ impl<K: Hash + Eq + Clone, V> HashMapExt<K, V> for HashMap<K, V> {
         value: V,
         or_else: FnOrElse,
     ) -> Result<(), E> {
-        // Unfortantely there isn't an API provided to do this without having
+        // Unfortunately there isn't an API provided to do this without having
         // to do the lookup twice or cloning the key, so we will prefer the double lookup.
         if self.contains_key(key) {
             Err(or_else(key))

Diff for: src/index_map_ext.rs

@@ -23,7 +23,7 @@ impl<K: Equivalent<K> + Hash + Eq, V> IndexMapExt<K, V> for IndexMap<K, V> {
         value: V,
         or_else: FnOrElse,
     ) -> Result<(), E> {
-        // Unfortantely there isn't an API provided to do this without having
+        // Unfortunately there isn't an API provided to do this without having
         // to do the lookup twice or cloning the key, so we will prefer the double lookup.
         if self.contains_key(&key) {
             Err(or_else(key))

Diff for: tests/error/using_on_main/main.adept

@@ -0,0 +1,10 @@
+
+pragma => adept("3.0")
+
+trait Say {
+    func say() void
+}
+
+#[using $say Say]
+func main {}
+