Notes: Multi-line expressionsHEADmain

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+Syntax 1: Parentheses
+---------------------
+
+    int func_ret = (do_stuff
+            x
+            y
+            z)
+
+    []int array = [
+            1
+            2
+            3
+        ]
+
+
+Syntax 2: `with` for functions
+------------------------------
+
+    int func_ret = do_stuff with
+            arg1 = x
+            arg2 = y
+            arg3 = z
+    end
+
+    []int array = [
+            1
+            2
+            3
+        ]
+
+    # Or, using `with` for even for arrays:
+    []int array = with
+            1
+            2
+            3
+    end
+
+
+Syntax 3: With line continuations at end
+----------------------------------------
+
+Note that the last line shouldn't have any `\` (which is a bit unintuitive)
+
+    int func_ret = do_stuff     \
+            x                   \
+            y                   \
+            z
+
+    # Should line continuations be required in this case?
+    []int array = [     \
+            1           \
+            2           \
+            3           \
+        ]
+
+
+Syntax 4: With line continuations at start
+------------------------------------------
+
+This would require look-ahead in the parser. Also, code editors won't be
+able to auto-indent :(
+
+    int func_ret = do_stuff
+    |       x
+    |       y
+    |       z
+
+    # Should line continuations be required in this case?
+    []int array = [
+    |       1
+    |       2
+    |       3
+    |   ]
+
+Syntax 5: Special long-line block
+---------------------------------
+
+    longline
+        int func_ret = do_stuff
+                x
+                y
+                z
+    end
+
+    # Should a lone-line block be required in this case?
+    longline
+        []int array = [
+                1
+                2
+                3
+            ]
+    end
+
+Syntax 6: Line-continuation-start and line-continuation-end
+-----------------------------------------------------------
+
+I find this quite intuitive. But I don't think it's used by any other
+programming language:
+
+
+    int func_ret = do_stuff ...
+            x
+            y
+            z  ;
+
+    []int array = [ ...
+            1
+            2
+            3
+        ] ;