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go/api
Robert Findley 1170771074 go/types, types2: set an origin object for vars and funcs
Historically, Objects in go/types were canonical, meaning each entity
was represented by exactly one variable and could thus be identified by
its address. With object instantiation this is no longer the case: Var
and Func objects must be copied to hold substituted type information,
and there may be more than one Var or Func variable representing the
same source-level entity.

This CL adds Origin methods to *Var and *Func, so users can efficiently
navigate to the corresponding canonical object on the generic type.

Fixes #51682

Change-Id: Ia49e15bd6515e1db1eb3b09b88ba666659601316
Reviewed-on: https://go-review.googlesource.com/c/go/+/395535
Reviewed-by: Robert Griesemer <gri@google.com>
Run-TryBot: Robert Findley <rfindley@google.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-05-17 21:28:43 +00:00
..
next go/types, types2: set an origin object for vars and funcs 2022-05-17 21:28:43 +00:00
except.txt html/template: make FuncMap a type alias of text/template.FuncMap 2022-03-31 00:54:34 +00:00
go1.1.txt strconv: quote rune 007F as \x7f, not \u007f 2022-03-31 20:37:15 +00:00
go1.2.txt
go1.3.txt
go1.4.txt
go1.5.txt
go1.6.txt
go1.7.txt
go1.8.txt
go1.9.txt cmd/api: set architecture sizes when type checking 2021-10-04 20:20:20 +00:00
go1.10.txt
go1.11.txt
go1.12.txt
go1.13.txt
go1.14.txt
go1.15.txt
go1.16.txt
go1.17.txt cmd/api: set architecture sizes when type checking 2021-10-04 20:20:20 +00:00
go1.18.txt runtime/debug: replace (*BuildInfo).Marshal methods with Parse and String 2022-02-09 19:44:03 +00:00
go1.txt
README cmd/api: require proposal # for new API features 2022-03-14 21:43:16 +00:00

Files in this directory are data for Go's API checker ("go tool api", in src/cmd/api).

Each file is a list of API features, one per line.

go1.txt (and similarly named files) are frozen once a version has been
shipped. Each file adds new lines but does not remove any.

except.txt lists features that may disappear without breaking true
compatibility.

Starting with go1.19.txt, each API feature line must end in "#nnnnn"
giving the GitHub issue number of the proposal issue that accepted
the new API. This helps with our end-of-cycle audit of new APIs.
The same requirement applies to next/* (described below), which will
become a go1.XX.txt for XX >= 19.

The next/ directory contains the only files intended to be mutated.
Each file in that directory contains a list of features that may be added
to the next release of Go. The files in this directory only affect the
warning output from the go api tool. Each file should be named
nnnnn.txt, after the issue number for the accepted proposal.
(The #nnnnn suffix must also appear at the end of each line in the file;
that will be preserved when next/*.txt is concatenated into go1.XX.txt.)