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error[E0658]: `for` is not allowed in a `const fn`
--> $DIR/const-fn-error.rs:5:5
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LL | / for i in 0..x {
LL | |
LL | |
LL | |
LL | |
LL | | sum += i;
LL | | }
| |_____^
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= note: see issue #87575 <https://github.com/rust-lang/rust/issues/87575> for more information
= help: add `#![feature(const_for)]` to the crate attributes to enable
error[E0015]: cannot convert `std::ops::Range<usize>` into an iterator in constant functions
--> $DIR/const-fn-error.rs:5:14
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LL | for i in 0..x {
| ^^^^
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note: impl defined here, but it is not `const`
--> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
= help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
error[E0658]: mutable references are not allowed in constant functions
--> $DIR/const-fn-error.rs:5:14
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LL | for i in 0..x {
| ^^^^
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= note: see issue #57349 <https://github.com/rust-lang/rust/issues/57349> for more information
= help: add `#![feature(const_mut_refs)]` to the crate attributes to enable
error[E0015]: cannot call non-const fn `<std::ops::Range<usize> as Iterator>::next` in constant functions
--> $DIR/const-fn-error.rs:5:14
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LL | for i in 0..x {
| ^^^^
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= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
= help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
error: aborting due to 4 previous errors
Some errors have detailed explanations: E0015, E0658.
For more information about an error, try `rustc --explain E0015`.
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