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https://github.com/rust-lang/rust
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edafbaffb2
- Either explicitly annotate `let x: () = expr;` where `x` has unit type, or remove the unit binding to leave only `expr;` instead. - Fix disjoint-capture-in-same-closure test
24 lines
687 B
Rust
24 lines
687 B
Rust
// [feature] run-pass
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// revisions: normal feature
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#![cfg_attr(feature, feature(generic_arg_infer))]
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fn foo<const N: usize>(_: [u8; N]) -> [u8; N] {
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[0; N]
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}
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fn bar() {
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let _x: [u8; 3] = [0; _];
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//[normal]~^ ERROR: using `_` for array lengths is unstable
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//[normal]~| ERROR: in expressions, `_` can only be used on the left-hand side of an assignment
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let _y: [u8; _] = [0; 3];
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//[normal]~^ ERROR: using `_` for array lengths is unstable
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//[normal]~| ERROR: in expressions, `_` can only be used on the left-hand side of an assignment
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}
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fn main() {
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let _x = foo::<_>([1,2]);
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//[normal]~^ ERROR: type provided when a constant was expected
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bar();
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}
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