[Proposal]: First-Class Span Types (VS 18.0, .NET 10)
- Dominant language
- C#
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Description
# First-Class Span Types
* Specification: https://github.com/dotnet/csharplang/blob/main/proposals/csharp-14.0/first-class-span-types.md
* Discussion: https://github.com/dotnet/csharplang/discussions/8713
## Summary
[summary]: #summary
We introduce first-class support for `Span` and `ReadOnlySpan` in the language, including new implicit conversion types and consider them in more places,
allowing more natural programming with these integral types.
## Design meetings
* https://github.com/dotnet/csharplang/blob/main/meetings/2024/LDM-2024-02-05.md#first-class-span-types
* https://github.com/dotnet/csharplang/blob/main/meetings/2024/LDM-2024-05-13.md#first-class-span-types-questions
* https://github.com/dotnet/csharplang/blob/main/meetings/2024/LDM-2024-06-24.md#first-class-spans
* https://github.com/dotnet/csharplang/blob/main/meetings/2024/LDM-2024-07-15.md#first-class-spans-open-question
* https://github.com/dotnet/csharplang/blob/main/meetings/2024/LDM-2024-09-11.md#first-class-span-types
* https://github.com/dotnet/csharplang/blob/main/meetings/2024/LDM-2024-12-04.md#first-class-span-open-questions
* https://github.com/dotnet/csharplang/blob/main/meetings/2024/LDM-2024-12-09.md#first-class-span-open-questions
* https://github.com/dotnet/csharplang/blob/main/meetings/2025/LDM-2025-01-06.md#ignoring-ref-structs-in-expressions
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