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nix-super/doc/manual/rl-next/print-value-in-coercion-error.md
Rebecca Turner 83bb494a30
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.
2024-01-23 15:15:41 -08:00

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synopsis issues prs
Coercion errors include the failing value

The error: cannot coerce a <TYPE> to a string message now includes the value which caused the error.

Before:

       error: cannot coerce a set to a string

After:

       error: cannot coerce a set to a string: { aesSupport = «thunk»;
       avx2Support = «thunk»; avx512Support = «thunk»; avxSupport = «thunk»;
       canExecute = «thunk»; config = «thunk»; darwinArch = «thunk»; darwinMinVersion
       = «thunk»; darwinMinVersionVariable = «thunk»; darwinPlatform = «thunk»; «84
       attributes elided»}