error[E0121]: the placeholder `_` is not allowed within types on item signatures for constants --> $DIR/suggest-array-length.rs:5:22 | LL | const Foo: [i32; _] = [1, 2, 3]; | ^ not allowed in type signatures | help: replace this with a fully-specified type | LL - const Foo: [i32; _] = [1, 2, 3]; LL + const Foo: [i32; 3] = [1, 2, 3]; | error[E0121]: the placeholder `_` is not allowed within types on item signatures for constants --> $DIR/suggest-array-length.rs:7:26 | LL | const REF_FOO: &[u8; _] = &[1]; | ^ not allowed in type signatures | help: replace this with a fully-specified type | LL - const REF_FOO: &[u8; _] = &[1]; LL + const REF_FOO: &[u8; 1] = &[1]; | error[E0121]: the placeholder `_` is not allowed within types on item signatures for static variables --> $DIR/suggest-array-length.rs:9:26 | LL | static Statik: [i32; _] = [1, 2, 3]; | ^ not allowed in type signatures | help: replace this with a fully-specified type | LL - static Statik: [i32; _] = [1, 2, 3]; LL + static Statik: [i32; 3] = [1, 2, 3]; | error[E0121]: the placeholder `_` is not allowed within types on item signatures for static variables --> $DIR/suggest-array-length.rs:11:30 | LL | static REF_STATIK: &[u8; _] = &[1]; | ^ not allowed in type signatures | help: replace this with a fully-specified type | LL - static REF_STATIK: &[u8; _] = &[1]; LL + static REF_STATIK: &[u8; 1] = &[1]; | error[E0658]: using `_` for array lengths is unstable --> $DIR/suggest-array-length.rs:13:20 | LL | let foo: [i32; _] = [1, 2, 3]; | ^ help: consider specifying the array length: `3` | = note: see issue #85077 for more information = help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: using `_` for array lengths is unstable --> $DIR/suggest-array-length.rs:15:20 | LL | let bar: [i32; _] = [0; 3]; | ^ help: consider specifying the array length: `3` | = note: see issue #85077 for more information = help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: using `_` for array lengths is unstable --> $DIR/suggest-array-length.rs:17:25 | LL | let ref_foo: &[i32; _] = &[1, 2, 3]; | ^ help: consider specifying the array length: `3` | = note: see issue #85077 for more information = help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: using `_` for array lengths is unstable --> $DIR/suggest-array-length.rs:19:25 | LL | let ref_bar: &[i32; _] = &[0; 3]; | ^ help: consider specifying the array length: `3` | = note: see issue #85077 for more information = help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: using `_` for array lengths is unstable --> $DIR/suggest-array-length.rs:21:35 | LL | let multiple_ref_foo: &&[i32; _] = &&[1, 2, 3]; | ^ help: consider specifying the array length: `3` | = note: see issue #85077 for more information = help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error: aborting due to 9 previous errors Some errors have detailed explanations: E0121, E0658. For more information about an error, try `rustc --explain E0121`.