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0b80935c22
This includes position information in more places, making debugging
easier.
Before:
```
$ nix-instantiate --show-trace --eval tests/functional/lang/eval-fail-using-set-as-attr-name.nix
error:
… while evaluating an attribute name
at «none»:0: (source not available)
error: value is a set while a string was expected
```
After:
```
error:
… while evaluating an attribute name
at /pwd/lang/eval-fail-using-set-as-attr-name.nix:5:10:
4| in
5| attr.${key}
| ^
6|
error: value is a set while a string was expected
```
18 lines
368 B
Text
18 lines
368 B
Text
error:
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… in the argument of the not operator
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at /pwd/lang/eval-fail-not-throws.nix:1:4:
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1| ! (throw "uh oh!")
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| ^
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2|
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… while calling the 'throw' builtin
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at /pwd/lang/eval-fail-not-throws.nix:1:4:
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1| ! (throw "uh oh!")
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| ^
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2|
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error: uh oh!
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