diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/examples.rs | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/examples/examples.rs b/examples/examples.rs index 3c73c81..99c452b 100644 --- a/examples/examples.rs +++ b/examples/examples.rs @@ -89,13 +89,21 @@ fn examples() -> LuaResult<()> { // signature limitations. lua.pack(list1 == list2) })?; - lua.set("check_equal", check_equal)?; + // You can also accept variadic arguments to rust functions + let join = lua.create_function(|lua, args| { + let strings = lua.unpack::<LuaVariadic<String>>(args)?.0; + // (This is quadratic!, it's just an example!) + lua.pack(strings.iter().fold("".to_owned(), |a, b| a + b)) + })?; + lua.set("join", join)?; + assert_eq!(lua.eval::<bool>(r#"check_equal({"a", "b", "c"}, {"a", "b", "c"})"#)?, true); assert_eq!(lua.eval::<bool>(r#"check_equal({"a", "b", "c"}, {"d", "e", "f"})"#)?, false); + assert_eq!(lua.eval::<String>(r#"join("a", "b", "c")"#)?, "abc"); // You can create userdata with methods and metamethods defined on them. Here's a more // complete example that shows all of the features of this API together |