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a6919ef889
rust/library
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Guillaume Gomez a6919ef889
Rollup merge of #77877 - scottmcm:fewer-try-trait-method-references, r=shepmaster 
Use `try{}` in `try_fold` to decouple iterators in the library from `Try` details

I'd like to experiment with changing the `?`/`try` desugaring and correspondingly the `Try` trait (see #42327 for discussions about the suboptimalities of the current one) and this change would keep from needing any `cfg(bootstrap)` in iterator things.

This will be lowered to the same thing, so shouldn't cause any perf issues:
08e2d46166/compiler/rustc_ast_lowering/src/expr.rs (L428-L429)

But ~~I'll trigger~~ I've triggered [a perf run](https://perf.rust-lang.org/compare.html?start=d65c08e9cc164b7b44de53503fae859a4fafd976&end=2c067c5235e779cd75e9f0cdfe572c64f1a12b9b) just in case.

~~EDIT: changed to a draft because of the rustfmt-only syntax error.  zulip thread about it: https://rust-lang.zulipchat.com/#narrow/stream/122651-general/topic/New.20bootstrap.20rustfmt.20doesn't.20support.20syntax.20from.20sept.3F/near/213098097~~

EDIT: This now includes a rustfmt version bump to get through tidy.
2020-10-19 18:20:20 +02:00
..
alloc Auto merge of #76885 - dylni:move-slice-check-range-to-range-bounds, r=KodrAus 2020-10-18 18:50:43 +00:00
backtrace@a6dd47bd58 Bump backtrace-rs 2020-10-15 15:21:12 -04:00
core Rollup merge of #77877 - scottmcm:fewer-try-trait-method-references, r=shepmaster 2020-10-19 18:20:20 +02:00
panic_abort Rollup merge of #76866 - est31:master, r=lcnr 2020-09-20 15:51:50 +02:00
panic_unwind library/{panic_,}unwind: Add definitions for sparc-unknow-linux-gnu 2020-09-28 00:39:57 +02:00
proc_macro Bump to 1.48 bootstrap compiler 2020-10-07 19:51:36 -04:00
profiler_builtins Fix warning whe building profiler_builtins crate 2020-09-04 15:10:29 +02:00
rtstartup mv std libs to library/ 2020-07-27 19:51:13 -05:00
rustc-std-workspace-alloc mv std libs to library/ 2020-07-27 19:51:13 -05:00
rustc-std-workspace-core mv std libs to library/ 2020-07-27 19:51:13 -05:00
rustc-std-workspace-std mv std libs to library/ 2020-07-27 19:51:13 -05:00
std Remove redundant 'static from library crates 2020-10-18 17:25:51 +02:00
stdarch@3c3664355e Update stdarch submodule 2020-10-01 13:06:22 -04:00
term mv std libs to library/ 2020-07-27 19:51:13 -05:00
test Auto merge of #74480 - yoshuawuyts:hardware_threads, r=dtolnay 2020-10-18 02:28:21 +00:00
unwind Remove useless all in cfg 2020-10-09 13:24:05 +02:00