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David Tolnay dtolnay

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cxx

Safe interop between Rust and C++

Rust 2.4k 105
anyhow

Flexible concrete Error type built on std::error::Error

Rust 1.6k 47
thiserror

derive(Error) for struct and enum error types

Rust 1.2k 45
syn

Parser for Rust source code

Rust 1.1k 157
proc-macro-workshop

Learn to write Rust procedural macros [Rust Latam conference, Montevideo Uruguay, March 2019]

Rust 933 232
case-studies

Analysis of various tricky Rust code

Rust 887 20

7,501 contributions in the last year

Activity overview

Contributed to dtolnay/cxx, dtolnay/syn, rust-lang/rust and 5 other repositories

Contribution activity

January 2021

Created 340 commits in 67 repositories

Created a pull request in rust-lang/rust that received 15 comments

Remove requirement that forces symmetric and transitive PartialEq impls to exist

Counterexample of symmetry: If you have an impl like: impl<T> PartialEq<T> for Ident where T: ?Sized + AsRef<str> then Rust will not even allow the…

+10 −6 • 15 comments

Opened 45 other pull requests in 7 repositories

dtolnay/cxx

27 merged 1 closed

Include <cassert> where needed in generated code Jan 14
Demo Box<dyn Trait> Jan 13
Implement Vec<&str> Jan 4
Implement lifetime elision inside of pins Jan 4
Implement lifetime elision for member function receivers Jan 4
Improve extern fn with body error message Jan 4
Force annotation on all functions in both source and header files Jan 3
Enable lifetimes on opaque Rust types Jan 3
Enable lifetimes on opaque C++ types Jan 3
Enable slices and arrays containing str/slice Jan 3
Support lifetimes on shared structs Jan 3
Build with -Werror in CI Jan 3
Explicitly delete opaque Rust type destructors Jan 3
Preserve &[T]'s Rust representation in rust::Slice Jan 2
Restore swapping Str and Slice in member function form only Jan 2
Preserve &str's original Rust representation in C++ Jan 2
Decouple C++ exception representation from Rust str Jan 2
Remove Str and Slice swaps Jan 2
Restrict MSVC instantiation workaround to return positions only Jan 2
Remove rust::Str repr conversion in C++ Jan 2
MSVC workaround for "C linkage function cannot return C++ class" Jan 2
Remove rust::Slice repr conversion in C++ Jan 2
Parameterize shim trait impl blocks over lifetimes Jan 2
Record lifetimes associated with generic type instantiation Jan 2
Add ForeignName wrapper around non-Rust names Jan 2
Some pull requests not shown.

serde-rs/serde

7 merged

dtolnay/syn

6 merged

dtolnay/proc-macro-hack

1 closed

attempt repro issue #63 Jan 13

lborb/book

1 closed

Add Rust–C++ interop book Jan 13

dtolnay/link-cplusplus

1 merged

Document extern crate link_cplusplus; Jan 11

dtolnay/serde-yaml

1 merged

Test with minimal-versions in CI Jan 5

Reviewed 41 pull requests in 11 repositories

serde-rs/serde 15 pull requests

rust-lang/rust 10 pull requests

libtest: Wait for test threads to exit after they report completion Jan 25
Stabilize the partition_point feature Jan 23
Inline methods of Path and OsString Jan 23
Add missing methods to unix ExitStatusExt Jan 14
Add as_ref and as_mut methods for Bound Jan 14
use Once instead of Mutex to manage capture resolution Jan 12
Add `MaybeUninit` method `array_assume_init` Jan 12
Add `[T; N]::each_ref` and `[T; N]::each_mut` Jan 11
Don't use posix_spawn_file_actions_addchdir_np on macOS. Jan 11
Add more code spans to docs in intrinsics.rs Jan 5

dtolnay/cxx 7 pull requests

Improve error message when using self by-value Jan 17
RFC: Support rvalue argument Jan 17
Fix minor typo Jan 15
Preserve &[T]'s Rust representation in rust::Slice Jan 2
Add swap members + ADL functions Jan 2
Include a launch config for cargo tests Jan 2
Fix warning mismatching struct and class Jan 2

serde-rs/json 2 pull requests

serde-rs/serde-rs.github.io 1 pull request

Add a warning that `flatten` and `deny_unknown_fields` should not be mixed. Jan 25

alexcrichton/toml-rs 1 pull request

Enforce millisecond precision for DateTime Jan 23

dtolnay/proc-macro-hack 1 pull request

[NO-MERGE] Reproduce windows pathing build.rs error Jan 13

dtolnay/linkme 1 pull request

Add illumos support Jan 11

dtolnay/anyhow 1 pull request

Allow test suite to pass under miri, and fix various other miri/stacked borrow issues Jan 10

dtolnay/quote 1 pull request

Allow inline expressions within quote!() Jan 10

dtolnay/dissimilar 1 pull request

Impl Display for Chunk Jan 3

Created an issue in rust-lang/mdBook that received 4 comments

Stray spacing of code blocks containing injected main

For example see the first code block in https://doc.rust-lang.org/1.47.0/book/ch03-02-data-types.html. ```rust let guess: u32 = "42".parse().expect("…

4 comments

Opened 7 other issues in 2 repositories

dtolnay/cxx

3 open 3 closed

dtolnay/syn

1 open

Parse qualified path on struct construction expr and pattern Jan 22