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cmd/compile: clearer error message involving variadic calls #41440

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mdempsky opened this issue Sep 16, 2020 · 1 comment
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cmd/compile: clearer error message involving variadic calls #41440

mdempsky opened this issue Sep 16, 2020 · 1 comment
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FrozenDueToAge help wanted NeedsFix The path to resolution is known, but the work has not been done.

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@mdempsky
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mdempsky commented Sep 16, 2020 •
edited

A user tried writing (simplified):

var args []string
exec.Command(args...)

and was confused because the error message says:

have ([]string...)
want (string, ...string)

It would probably be clearer if we instead reported:

have (...string)
want (string, ...string)

/cc @cuonglm @muhlemmer if either of you are interested in looking into this.
@mdempsky mdempsky added help wanted NeedsFix The path to resolution is known, but the work has not been done. labels Sep 16, 2020
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Change https://golang.org/cl/255241 mentions this issue: cmd/compile: make error message involving variadic calls clearer

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