go/internal/lsp/source/completion
Muir Manders df07577eb1 lsp/completion: fix variadic param candidate ordering edge case
In cases like:

    var foo func(...interface{})
    var one int
    var two func() (int, int)

    foo(<>)

At <> we were preferring "two()" over "one" because we were really
excited that the multi return value function was usable. "one" was not
preferred because the expected value is interface{} (we default to
saying candidates _don't_ match interface{} to give non-type based
aspects of candidate inference a chance to shine).

Fix by applying the corresponding interface{} logic to the assignees
checking: ignore the case of completing into func(...interface{})
since all multi return value functions would match.

Fixes golang/go#46378.

Change-Id: I355daa75e067e8b14508ca50b8d3b6b727df5fec
Reviewed-on: https://go-review.googlesource.com/c/tools/+/323509
Run-TryBot: Muir Manders <muir@mnd.rs>
gopls-CI: kokoro <noreply+kokoro@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Trust: Peter Weinberger <pjw@google.com>
2021-06-01 17:02:03 +00:00
..
builtin.go lsp/completion: improve append() param type inference 2021-05-05 20:44:55 +00:00
completion.go lsp/completion: fix variadic param candidate ordering edge case 2021-06-01 17:02:03 +00:00
deep_completion.go internal/lsp/source: handle nil pointer exception in completion 2020-11-14 22:40:30 +00:00
deep_completion_test.go internal/lsp/source: move completion to its own package 2020-09-08 19:19:08 +00:00
format.go internal/lsp/source: re-parse if needed when collecting identifier info 2021-05-18 02:12:20 +00:00
keywords.go internal/lsp/source/completion: remove "completion_" prefix from files 2020-10-30 17:45:15 +00:00
labels.go internal/lsp/source/completion: remove "completion_" prefix from files 2020-10-30 17:45:15 +00:00
literal.go lsp/completion: don't offer literal candidates requiring conversion 2021-05-24 16:41:39 +00:00
package.go internal/lsp/source/completion: avoid a panic in package completion 2021-05-10 23:22:37 +00:00
package_test.go internal/lsp/source/completion: suggest only valid package names 2021-04-27 19:53:45 +00:00
postfix_snippets.go lsp/completion: fix postfix completions preceding assignments 2021-04-26 15:26:58 +00:00
printf.go internal/lsp: fix some incorrect spelling 2020-11-24 11:59:21 +00:00
printf_test.go internal/lsp/source/completion: remove "completion_" prefix from files 2020-10-30 17:45:15 +00:00
snippet.go internal/lsp/source/completion: remove "completion_" prefix from files 2020-10-30 17:45:15 +00:00
statements.go internal/lsp: add snippet completion for t.Fatal errs 2021-03-15 21:39:02 +00:00
util.go internal/lsp/source/completion: add postfix snippet completions 2021-03-29 17:27:46 +00:00
util_test.go internal/lsp/source: move completion to its own package 2020-09-08 19:19:08 +00:00