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go/internal/lsp/testdata/variadic
Muir Manders c07e1c6ef6 internal/lsp: improve variadic completion
Improve candidate ranking when completing the variadic parameter of
function calls.

Using the example:

func foo(strs ...string) {}

- When completing foo(<>), we prefer candidates of type []string or
  string (previously we only preferred []string).

- When completing foo("hi", <>), we prefer candidates of type
  string (previously we preferred []string).

- When completing foo(<>), we use a snippet to add on the "..."
  automatically to candidates of type []string.

I also fixed completion tests to work properly when you have multiple
notes referring to the same position. For example:

foo() //@rank(")", a, b),rank(")", a, c)

Previously the second "rank" was silently overwriting the first
because they both refer to the same ")".

Fixes golang/go#34334.

Change-Id: I4f64be44a4ccbb533fb7682738c759cbca3a93cd
Reviewed-on: https://go-review.googlesource.com/c/tools/+/205117
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-11-07 18:57:33 +00:00
..
variadic.go.in internal/lsp: improve variadic completion 2019-11-07 18:57:33 +00:00