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Introduce a concrete design for how Carbon values, objects, storage,
variables,
and pointers will work. This includes fleshing out the design for:
- The expression categories used in Carbon to represent values and
objects,
how they interact, and terminology that anchors on their expression
nature.
- An expression category model for readonly, abstract values that can
efficiently support function inputs.
- A customization system for value expression representations,
especially as
seen on function boundaries in the calling convention.
- An expression category model for references instead of a type system
model.
- How patterns match different expression categories.
- How initialization works in conjunction with function returns.
- Specific pointer syntax, semantics, and library customization
mechanisms.
- A `const` type qualifier for use when the value expression category
system
is too abstracted from the underlying objects in storage.
---------
Co-authored-by: Geoff Romer <gromer@google.com>
Co-authored-by: josh11b <josh11b@users.noreply.github.com>
Co-authored-by: Adrien Leravat <Pixep@users.noreply.github.com>
Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
Co-authored-by: Richard Smith <richard@metafoo.co.uk>
Generics
This directory contains the collection of documents describing the generics feature of Carbon:
- Overview - A high-level description of the generics design, with pointers to other design documents that dive deeper into individual topics.
- Goals - The motivation and principles guiding the design direction.
- Terminology - A glossary establishing common terminology for describing the design.
- Detailed design - In depth description of how generic type parameters work.
Rejected alternatives- not implemented yet