5f4e6a86d5
This PR updates the formatting of, and adds explanations for, "unknown identifier" errors as well as "failed to infer type" errors for binders and definitions. It attempts to ameliorate some of the confusion encountered in #1592 by modifying the wording of the "header is elaborated before body is processed" note and adding further discussion and examples of this behavior in the corresponding error explanation.
31 lines
1.5 KiB
Text
31 lines
1.5 KiB
Text
inductionErrors.lean:11:12-11:27: error: unsolved goals
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case lower.h
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p d : Nat
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⊢ p ≤ p + d.succ
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inductionErrors.lean:12:12-12:27: error: unsolved goals
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case upper.h
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q d : Nat
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⊢ q + d.succ > q
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inductionErrors.lean:16:19-16:26: error(lean.unknownIdentifier): Unknown identifier `elimEx2`
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inductionErrors.lean:22:2-25:45: error: insufficient number of targets for 'elimEx'
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inductionErrors.lean:28:16-28:23: error: expected resulting type of eliminator to be an application of one of its parameters (the motive):
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Nat
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inductionErrors.lean:35:11-35:15: error: unsolved goals
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x : Nat
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⊢ 0 + 0 = 0
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inductionErrors.lean:36:11-36:15: error: unsolved goals
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x y : Nat
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⊢ 0 + (y + 1) = y + 1
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inductionErrors.lean:40:14-40:18: error: unsolved goals
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case zero
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⊢ 0 + 0 = 0
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inductionErrors.lean:41:14-41:18: error: unsolved goals
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case succ
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y : Nat
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⊢ 0 + (y + 1) = y + 1
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inductionErrors.lean:50:2-50:16: error: Alternative 'cons' is not needed
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inductionErrors.lean:55:2-55:16: error: Alternative 'cons' is not needed
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inductionErrors.lean:60:2-60:40: error: Invalid alternative name 'upper2': Expected 'diag' or 'upper'
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inductionErrors.lean:66:2-66:28: error: Invalid occurrence of the wildcard alternative `| _ => ...`: It must be the last alternative
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inductionErrors.lean:74:2-74:34: error(lean.redundantMatchAlt): Redundant alternative '_': Any expression matching this pattern will match one of the preceding alternatives
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inductionErrors.lean:80:2-80:56: error: Duplicate alternative name 'lower'
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