c96797eb93
When an implicit argument cannot be inferred, the error should show the
name of the argument.
Showing the argument name in the error message for an uninstantiated
metavariable was introduced in da33f498f5,
but this implementation causes some argument names to get lost.
24 lines
1.2 KiB
Text
24 lines
1.2 KiB
Text
holeErrors.lean:3:14-3:20: error: don't know how to synthesize implicit argument 'α'
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@id ?m
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context:
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⊢ Sort u
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holeErrors.lean:3:11-3:20: error: failed to infer definition type
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holeErrors.lean:5:9-5:10: error: failed to infer definition type
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when the resulting type of a declaration is explicitly provided, all holes (e.g., `_`) in the header are resolved before the declaration body is processed
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holeErrors.lean:8:9-8:15: error: don't know how to synthesize implicit argument 'α'
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@id ?m
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context:
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⊢ Sort u
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holeErrors.lean:8:4-8:5: error: failed to infer 'let' declaration type
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holeErrors.lean:7:11-9:1: error: failed to infer definition type
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holeErrors.lean:11:11-11:15: error: failed to infer definition type
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holeErrors.lean:11:8-11:9: error: failed to infer binder type
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holeErrors.lean:13:15-13:19: error: failed to infer definition type
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holeErrors.lean:13:12-13:13: error: failed to infer binder type
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holeErrors.lean:16:4-16:5: error: failed to infer binder type
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holeErrors.lean:15:7-16:10: error: failed to infer definition type
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holeErrors.lean:19:13-19:19: error: don't know how to synthesize implicit argument 'α'
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@id ?m
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context:
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⊢ Sort u
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holeErrors.lean:19:8-19:9: error: failed to infer 'let rec' declaration type
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