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Bryan C. Mills 87f425da14 cmd/go/internal/mvs: split Reqs into narrower per-function interfaces
Reqs currently combines requirements with upgrades and downgrades.
However, only Upgrade needs the Upgrade method, and only Downgrade
needs the Previous method.

When we eventually add lazy loading, the lazily-loaded module graph
will not be able to compute upgrades and downgrades, so the
implementation work from here to there will be clearer if we are
explicit about which are still needed.

For #36460

Change-Id: I7bf8c2a84ce6bc4ef493a383e3d26850e9a6a6c0
Reviewed-on: https://go-review.googlesource.com/c/go/+/290771
Trust: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>
2021-02-19 01:22:14 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api api/go1.16: add go/build/constraint APIs 2021-01-27 21:11:22 +00:00
doc doc/go1.16: remove draft notice 2021-02-16 16:26:11 +00:00
lib/time lib/time, time/tzdata: update tzdata to 2021a 2021-01-25 16:08:46 +00:00
misc runtime: unify asmcgocall and systemstack traceback setup 2021-02-19 00:02:06 +00:00
src cmd/go/internal/mvs: split Reqs into narrower per-function interfaces 2021-02-19 01:22:14 +00:00
test test: disable nilptr on windows/arm64 2021-02-19 00:40:22 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: add Kush Patel (corporate CLA for Hootsuite Inc) 2020-07-08 00:10:44 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
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README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

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Note that the Go project uses the issue tracker for bug reports and proposals only. See https://golang.org/wiki/Questions for a list of places to ask questions about the Go language.