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Pass positions when evaluating

Browse source 
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
```
This commit is contained in:
Rebecca Turner 2023-12-07 10:01:42 -08:00
parent 3dcb83409d
commit 0b80935c22
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12 changed files with 137 additions and 14 deletions
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5
tests/functional/lang/eval-fail-using-set-as-attr-name.nix Normal file
View file

@ -0,0 +1,5 @@
let
attr = {foo = "bar";};
key = {};
in
attr.${key}