error[E0015]: cannot call non-const fn `<() as Foo>::foo` in constant functions | |
--> $DIR/non-const-op-const-closure-non-const-outer.rs:13:22 | |
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LL | (const || { (()).foo() })(); | |
| ^^^^^ | |
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= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants | |
help: add `#![feature(effects)]` to the crate attributes to enable | |
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LL + #![feature(effects)] | |
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error: aborting due to 1 previous error | |
For more information about this error, try `rustc --explain E0015`. |