Print the value in `value is X while a Y is expected` error
(cherry picked from commit 5f72a97092da6af28a7d2b2a50d74e9d34fae7e1)
Change-Id: Idb4bc903ae59a0f5b6fb3b1da4d47970fe0a6efe
24 lines
605 B
Markdown
24 lines
605 B
Markdown
---
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synopsis: Type errors include the failing value
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issues: #561
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prs: #9753
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---
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In errors like `value is an integer while a list was expected`, the message now
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includes the failing value.
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Before:
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```
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error: value is a set while a string was expected
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```
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After:
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```
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error: expected a string but found a set: { ghc810 = «thunk»;
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ghc8102Binary = «thunk»; ghc8107 = «thunk»; ghc8107Binary = «thunk»;
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ghc865Binary = «thunk»; ghc90 = «thunk»; ghc902 = «thunk»; ghc92 = «thunk»;
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ghc924Binary = «thunk»; ghc925 = «thunk»; «17 attributes elided»}
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```
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