Paren sugar #18622
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Paren sugar #18622
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…,C>`. These paths also bind anonymous regions (or will, once HRTB is fully working). Fixes rust-lang#18423.
| @@ -1838,6 +1838,14 @@ pub fn mk_slice(cx: &ctxt, r: Region, tm: mt) -> t { | |||
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| pub fn mk_tup(cx: &ctxt, ts: Vec<t>) -> t { mk_t(cx, ty_tup(ts)) } | |||
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| pub fn mk_tup_or_nil(cx: &ctxt, ts: Vec<t>) -> t { | |||
| if ts.len() == 0 { | |||
| ty::mk_nil() | |||
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We ought to investigate the cost of interning ty_tup(Vec::new()).
Actually, one idea I had (interning everything referenced by Ty in the arena) would result in ty_tup(&'tcx [Ty<'tcx>]) which allows a statically declared ty_nil as ty_tup(&[]).
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Closing in favor of #18630, which includes these commits. |
lnicola
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Dec 11, 2024
fix: Fix parsing of dyn T in generic arg on 2015 edition
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Implement the
Foo()paren sugar more uniformly as envisioned by the RFC.r? @pcwalton
Fixes #17703 (among other things).