Template generics #2200
Merged
Template generics #2200
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
josh11b
added
proposal
github-actions
bot
added
proposal rfc
zygoloid
reviewed
Oct 18, 2022
proposals/p2200.md
Outdated
| ## Abstract | ||
|
|
||
| Add template generics, with optional constraints but no SFINAE, to Carbon. | ||
| Template generics allows the compiler postpone type checking of expressions |
There was a problem hiding this comment.
Not sure I have a better word to suggest, but "allows" seems misleading here. This is more "requires" I think?
But more broadly, I wonder if we should put the emphasis differently, on the user instead of the compiler, maybe something like: template generics allows a developer to write code against the interface of a family of types that share a common API, even if the specific types are not known where the template is defined and the API is not formally defined.
Co-authored-by: Richard Smith <[email protected]>
zygoloid
reviewed
Oct 31, 2022
zygoloid
approved these changes
Nov 16, 2022
zygoloid
approved these changes
Nov 17, 2022
chandlerc
reviewed
Nov 17, 2022
Co-authored-by: Chandler Carruth <[email protected]>
josh11b
added a commit
to josh11b/carbon-lang
that referenced
this pull request
Aug 31, 2023
github-merge-queue bot
pushed a commit
that referenced
this pull request
Sep 19, 2023
First step in updating `docs/design/generics/details.md`. It incorporates changes from proposals: #989 #2138 #2173 #2200 #2360 #2964 #3162 , but there are still more changes from those proposals to be made. It also switches away from suggesting static-dispatch witness tables, and creates an appendix to describe that decision. --------- Co-authored-by: Richard Smith <[email protected]>
This was referenced Sep 22, 2023
github-merge-queue bot
pushed a commit
that referenced
this pull request
Sep 23, 2023
Includes proposals: - #990 - #2188 - #2138 - #2200 - #2360 - #2760 - #2964 - #3162 Also tries to use more precise language when talking about: - implementations, to avoid confusing `impl` declaration and definitions with the `impls` operator used in `where` clauses, an issue brought up in #2495 and #2483; - "binding patterns", like `x: i32`, and "bindings" like `x`. --------- Co-authored-by: Chandler Carruth <[email protected]>
github-merge-queue bot
pushed a commit
that referenced
this pull request
Oct 3, 2023
Continued from part 1: #3231. Second step updating `docs/design/generics/details.md`. There remains some work to incorporate proposal #2200. - The biggest changes are incorporating much of the text of proposals: - #2173 - #2687 - It incorporates changes from proposals: - #989 - #1178 - #2138 - #2200 - #2360 - #2964 - #3162 - It also updates the text to reflect the latest thinking from leads issues: - #996 - #2153 -- most notably deleting the section on `TypeId`. - Update to rule for prioritization blocks with mixed type structures from [discussion on 2023-07-18](https://docs.google.com/document/d/1gnJBTfY81fZYvI_QXjwKk1uQHYBNHGqRLI2BS_cYYNQ/edit?resourcekey=0-ql1Q1WvTcDvhycf8LbA9DQ#heading=h.7jxges9ojgy3) - Adds reference links to proposals, issues, and discussions relevant to the text. - Also tries to use more precise language when talking about implementations, to avoid confusing `impl` declaration and definitions with the `impls` operator used in `where` clauses, an issue brought up in - #2495 - #2483 --------- Co-authored-by: Richard Smith <[email protected]>
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Add template generics, with optional constraints but no SFINAE, to Carbon. Template generics allows the compiler postpone type checking of expressions dependent on a template parameter until the function is called and the value of that parameter is known.
Example usage: