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@vararg causing invalid type inference of generics #542

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Cassolette opened this issue May 19, 2021 · 0 comments
Closed

@vararg causing invalid type inference of generics #542

Cassolette opened this issue May 19, 2021 · 0 comments
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@Cassolette
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Cassolette commented May 19, 2021

The emmylua annotation ---@vararg causes incorrect key-val type inference when using pairs() on a table

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Reproduce

--- @diagnostic disable: unused-local, empty-block

--- @class MyType

--- @type table<number, MyType>
local tb = {}

--- @vararg string
function test(...)
    for key, val in pairs(tb) do  -- key, val has wrong type (string)
    end
end

function test_no_varargs(...)
    for key, val in pairs(tb) do  -- key, val has correct type
    end
end

Client
Windows VSCode

@sumneko sumneko added the bug Something isn't working label May 21, 2021
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