eabde77d84
This PR improves the type-as-hole error message. Type-as-hole error for theorem declarations should not admit the possibility of omitting the type entirely. --------- Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>
25 lines
1.2 KiB
Text
25 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 type of `f1.{u}`
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holeErrors.lean:5:9-5:10: error: failed to infer type of `f2`
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Note: 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 type of `f3.{u}`
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holeErrors.lean:11:11-11:15: error: failed to infer type of `f4`
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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 type of `f5`
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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 type of `f6`
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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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