Data update

Task/Inverted-syntax/Crystal/inverted-syntax.cr

@@ -0,0 +1,21 @@
+if condition
+  statement
+end
+# can be written as:
+statement if condition   # the same with unless
+
+v = begin
+      expression
+    rescue
+      value
+    end
+# can be written as:
+v = expression rescue value
+
+begin
+  statement
+ensure
+  always_run
+end
+# can be written as:
+statement ensure always_run