48 lines
1.3 KiB
Rust
48 lines
1.3 KiB
Rust
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// Regression test for issue #116334.
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// Don't include hygienic fields from different syntax contexts in
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// the list of available or similarly named fields.
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#![feature(decl_macro)]
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macro compound($Ty:ident) {
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#[derive(Default)]
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struct $Ty {
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field: u32, // field `field` is hygienic
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}
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}
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macro component($Ty:ident) {
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struct $Ty(u64); // field `0` is hygienic (but still accessible via the constructor)
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}
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compound! { Compound }
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component! { Component }
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fn main() {
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let ty = Compound::default();
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let _ = ty.field; //~ ERROR no field `field` on type `Compound`
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let _ = ty.fieeld; //~ ERROR no field `fieeld` on type `Compound`
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let Compound { field } = ty;
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//~^ ERROR struct `Compound` does not have a field named `field`
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//~| ERROR pattern requires `..` due to inaccessible fields
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//~| HELP ignore the inaccessible and unused fields
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let ty = Component(90);
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let _ = ty.0; //~ ERROR no field `0` on type `Component`
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}
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environment!();
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macro environment() {
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struct Crate { field: () }
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// Here, we do want to suggest `field` even though it's hygienic
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// precisely because they come from the same syntax context.
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const CRATE: Crate = Crate { fiel: () };
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//~^ ERROR struct `Crate` has no field named `fiel`
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//~| HELP a field with a similar name exists
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}
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