v2.eval: fix tests

Author: medvednikov

cmd/tools/git_pre_commit_hook.vsh

@@ -62,7 +62,7 @@ fn main() {
 		}
 		// vfmt on
 		all_vfiles_on_a_line := vfiles.map(os.quoted_path(it)).join(' ')
-		os.system('v fmt -w ${all_vfiles_on_a_line}')
+		os.system('${os.quoted_path(@VEXE)} fmt -w ${all_vfiles_on_a_line}')
 		os.system('git add ${all_vfiles_on_a_line}')
 	}
 }

vlib/v2/eval/eval.v

@@ -5105,6 +5105,12 @@ fn (mut e Eval) call_array_method(receiver ArrayValue, method_name string, args
 		'has' {
 			return e.array_has(receiver, safe_arg(args, 0))
 		}
+		'clone' {
+			return ArrayValue{
+				elem_type_name: receiver.elem_type_name
+				values:         receiver.values.clone()
+			}
+		}
 		'contains' {
 			return e.array_contains(receiver, safe_arg(args, 0))
 		}