Support heterogeneous try blocks (`try_blocks_heterogeneous`) RFC - #3953

Open

MusicalNinjaDad wants to merge 25 commits into

rust-lang:mainfrom

MusicalNinjaDad:first_draft

Commits on Apr 12, 2026

Intro & Motivation
MusicalNinjaDad
committed
e101854
unresolved questions:
MusicalNinjaDad
committed
2b73f68
explicit anyhow example
MusicalNinjaDad
committed
70fb739
guide-level explanation
MusicalNinjaDad
committed
562e7a7
future possibility - inference via function return type
MusicalNinjaDad
committed
1388bc0
typos etc
MusicalNinjaDad
committed
c0b7096

Commits on Apr 14, 2026

update guide formatting
MusicalNinjaDad
committed
6f12e56
Reference-level explanation
MusicalNinjaDad
committed
b4394ed
tidy
MusicalNinjaDad
committed
8443845
add annotated binding example
MusicalNinjaDad
committed
652a365
drawbacks
MusicalNinjaDad
committed
444bf08
option to use no keyword
MusicalNinjaDad
committed
84bd62e
typos
MusicalNinjaDad
committed
94717e8

Commits on Apr 16, 2026

Drawbacks
MusicalNinjaDad
committed
6f5ab6c
add snowman
MusicalNinjaDad
committed
cea1ed0

Commits on Apr 21, 2026

rationale & prior art
MusicalNinjaDad
committed
4d9cd66
format related RFC list
MusicalNinjaDad
committed
8d54ecf
spell check
MusicalNinjaDad
committed
8429022
fix broken quoted link
MusicalNinjaDad
committed
eac3764
typos
MusicalNinjaDad
committed
d3ea798
add reference to yeet
MusicalNinjaDad
committed
f304888
number switch
MusicalNinjaDad
committed
9701bd4
typo in example
MusicalNinjaDad
committed
80ad9a3
Remove remaining placeholder text

MusicalNinjaDad
and
kennytm
authored
0798663

Commits on May 15, 2026

Why not use type annotated variables
MusicalNinjaDad
committed
5101305