[Proposal]: Collection Expression Arguments #8885
Description
Collection Expression Arguments.
- Specification: [Link to a filled out proposal template. If not yet available, link to the PR adding the specification.](https://github.com/dotnet/csharplang/blob/main/proposals/collection-expression-arguments.md)
- Discussion: Link to the discussion topic for this feature.
Summary
Introduce a way for users to create collection expressions (e.g. [a, b, c]) while also passing along arguments to the respective creation construction for that collection. For example: [args(capacity: 32); a, b, c].