bjoernager/rust
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implement generic_arg_infer for array lengths

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This commit is contained in:
lcnr 2021-12-23 10:01:51 +01:00
parent 5aa0239b16
commit e3f5cc6c38
19 changed files with 161 additions and 51 deletions
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8
compiler/rustc_save_analysis/src/sig.rs
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@ -310,9 +310,13 @@ impl<'hir> Sig for hir::Ty<'hir> {
let nested = bounds_to_string(&bounds);
Ok(text_sig(nested))
}
hir::TyKind::Array(ref ty, ref anon_const) => {
hir::TyKind::Array(ref ty, ref length) => {
let nested_ty = ty.make(offset + 1, id, scx)?;
let expr = id_to_string(&scx.tcx.hir(), anon_const.body.hir_id).replace('\n', " ");
let hir_id = match length {
&hir::ArrayLen::Infer(hir_id, _) => hir_id,
hir::ArrayLen::Body(anon_const) => anon_const.hir_id,
};
let expr = id_to_string(&scx.tcx.hir(), hir_id).replace('\n', " ");
let text = format!("[{}; {}]", nested_ty.text, expr);
Ok(replace_text(nested_ty, text))
}