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Print the value in error: cannot coerce messages (#9553)

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* Print the value in `error: cannot coerce` messages

This extends the `error: cannot coerce a TYPE to a string` message
to print the value that could not be coerced. This helps with debugging
by making it easier to track down where the value is being produced
from, especially in errors with deep or unhelpful stack traces.

Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
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Rebecca Turner 2023-12-08 11:36:57 -05:00 • committed by GitHub
parent 139982997e
commit f0ac2a35d5
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6 changed files with 73 additions and 21 deletions
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doc/manual/src/language/string-interpolation.md
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@ -189,7 +189,7 @@ If neither is present, an error is thrown.
> "${a}"
> ```
>
> error: cannot coerce a set to a string
> error: cannot coerce a set to a string: { }
>
> at «string»:4:2:
>