[Proposal]: Pattern-based with-expressions
Open
Proposal champion
- Dominant language
- C#
- Stars
- 12.7k
- Forks
- 1.1k
- Avg merge
- 11h 1m
- Merged PRs (30d)
- 3
Description
# Pattern-based with-expressions
* Specification: _Not created. See below._
* Discussion: https://github.com/dotnet/csharplang/discussions/8876
## Summary
[summary]: #summary
In C# 9.0, we did `with` on records only, not some generalized pattern-based `with` expression.
See also
- the proposal in https://github.com/dotnet/csharplang/blob/main/proposals/rejected/records.md for one possible approach.
- Discussion of nested use cases in https://github.com/dotnet/csharplang/discussions/77
## Design meetings
https://github.com/dotnet/csharplang/blob/main/meetings/2022/LDM-2022-09-26.md#construction-improvements
Contributor guide
No contributing guide indexed for this repository
Assessment
This issue has not been assessed yet.