14 lines
430 B
Rust
14 lines
430 B
Rust
#![feature(box_syntax)]
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use std::any::Any;
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fn main()
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{
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fn h(x:i32) -> i32 {3*x}
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let mut vfnfer:Vec<Box<dyn Any>> = vec![];
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vfnfer.push(box h);
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println!("{:?}",(vfnfer[0] as dyn Fn)(3));
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//~^ ERROR the precise format of `Fn`-family traits'
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//~| ERROR wrong number of type arguments: expected 1, found 0 [E0107]
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//~| ERROR the value of the associated type `Output` (from the trait `std::ops::FnOnce`)
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}
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