Merge pull request #190 from udoprog/master

set_indexer_set_fn to support setting generic value
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Stephen Chung 2020-07-24 23:08:24 +08:00 committed by GitHub
commit 136068ba43
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@ -738,18 +738,18 @@ impl Module {
/// }); /// });
/// assert!(module.contains_fn(hash)); /// assert!(module.contains_fn(hash));
/// ``` /// ```
pub fn set_indexer_set_fn<A: Variant + Clone, B: Variant + Clone>( pub fn set_indexer_set_fn<A: Variant + Clone, B: Variant + Clone, C: Variant + Clone>(
&mut self, &mut self,
func: impl Fn(&mut A, B, A) -> FuncReturn<()> + SendSync + 'static, func: impl Fn(&mut A, B, C) -> FuncReturn<()> + SendSync + 'static,
) -> u64 { ) -> u64 {
let f = move |_: &Engine, _: &Module, args: &mut FnCallArgs| { let f = move |_: &Engine, _: &Module, args: &mut FnCallArgs| {
let b = mem::take(args[1]).cast::<B>(); let b = mem::take(args[1]).cast::<B>();
let c = mem::take(args[2]).cast::<A>(); let c = mem::take(args[2]).cast::<C>();
let a = args[0].downcast_mut::<A>().unwrap(); let a = args[0].downcast_mut::<A>().unwrap();
func(a, b, c).map(Dynamic::from) func(a, b, c).map(Dynamic::from)
}; };
let arg_types = [TypeId::of::<A>(), TypeId::of::<B>(), TypeId::of::<A>()]; let arg_types = [TypeId::of::<A>(), TypeId::of::<B>(), TypeId::of::<C>()];
self.set_fn( self.set_fn(
FN_IDX_SET, FN_IDX_SET,
Public, Public,