Merge 96e9c7831f into c221b3226b

examples/gg/fire.v

@@ -59,7 +59,7 @@ fn main() {
 	mut app := &App{
 		buf: [][]int{len: height - 1, init: []int{len: width}}
 	}
-	app.buf << []int{len: width, init: 36} // white fire base
+	app.buf << [[]int{len: width, init: 36}] // white fire base
 
 	app.gg = gg.new_context(
 		event_fn:     event

vlib/v/checker/infix.v

@@ -71,6 +71,13 @@ fn (mut c Checker) infix_expr(mut node ast.InfixExpr) ast.Type {
 					}
 				}
 			}
+		} else if mut node.right is ast.ArrayInit {
+			if node.right.exprs.len == 0 {
+				// handle arr << [] where [] is empty
+				info := c.table.sym(left_type).array_info()
+				node.right.elem_type = info.elem_type
+				c.expected_type = info.elem_type
+			}
 		}
 	}
 	mut right_type := c.expr(mut node.right)