| ^^^^^^^^^^^^^ cannot infer type for type parameter `T`
|
= note: cannot satisfy `T: FnMut<(&'a (),)>`
-note: required by a bound in `FnMut`
- --> $SRC_DIR/core/src/ops/function.rs:LL:COL
- |
-LL | / pub trait FnMut<Args>: FnOnce<Args> {
-LL | | /// Performs the call operation.
-LL | | #[unstable(feature = "fn_traits", issue = "29625")]
-LL | | extern "rust-call" fn call_mut(&mut self, args: Args) -> Self::Output;
-LL | | }
- | |_^ required by this bound in `FnMut`
error: aborting due to previous error