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This keeps hint messages, source location information, and source code
snippets grouped together, while making stack traces shorter (so that
more stack frames can be viewed on the same terminal).
Before:
error:
… while evaluating the attribute 'body'
at /Users/wiggles/nix/tests/functional/lang/eval-fail-assert.nix:4:3:
3|
4| body = x "x";
| ^
5| }
… from call site
at /Users/wiggles/nix/tests/functional/lang/eval-fail-assert.nix:4:10:
3|
4| body = x "x";
| ^
5| }
… while calling 'x'
at /Users/wiggles/nix/tests/functional/lang/eval-fail-assert.nix:2:7:
1| let {
2| x = arg: assert arg == "y"; 123;
| ^
3|
error: assertion '(arg == "y")' failed
at /Users/wiggles/nix/tests/functional/lang/eval-fail-assert.nix:2:12:
1| let {
2| x = arg: assert arg == "y"; 123;
| ^
3|
After:
error:
… while evaluating the attribute 'body'
at /Users/wiggles/nix/tests/functional/lang/eval-fail-assert.nix:4:3:
3|
4| body = x "x";
| ^
5| }
… from call site
at /Users/wiggles/nix/tests/functional/lang/eval-fail-assert.nix:4:10:
3|
4| body = x "x";
| ^
5| }
… while calling 'x'
at /Users/wiggles/nix/tests/functional/lang/eval-fail-assert.nix:2:7:
1| let {
2| x = arg: assert arg == "y"; 123;
| ^
3|
error: assertion '(arg == "y")' failed
at /Users/wiggles/nix/tests/functional/lang/eval-fail-assert.nix:2:12:
1| let {
2| x = arg: assert arg == "y"; 123;
| ^
3|
31 lines
1.0 KiB
Plaintext
31 lines
1.0 KiB
Plaintext
error:
|
|
… while calling the 'foldl'' builtin
|
|
at /pwd/lang/eval-fail-foldlStrict-strict-op-application.nix:2:1:
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|
1| # Tests that the result of applying op is forced even if the value is never used
|
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2| builtins.foldl'
|
|
| ^
|
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3| (_: f: f null)
|
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… while calling anonymous lambda
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at /pwd/lang/eval-fail-foldlStrict-strict-op-application.nix:3:7:
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2| builtins.foldl'
|
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3| (_: f: f null)
|
|
| ^
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4| null
|
|
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… from call site
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at /pwd/lang/eval-fail-foldlStrict-strict-op-application.nix:3:10:
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2| builtins.foldl'
|
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3| (_: f: f null)
|
|
| ^
|
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4| null
|
|
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… while calling anonymous lambda
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at /pwd/lang/eval-fail-foldlStrict-strict-op-application.nix:5:6:
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4| null
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5| [ (_: throw "Not the final value, but is still forced!") (_: 23) ]
|
|
| ^
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6|
|
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error: Not the final value, but is still forced!
|