12 lines
342 B
Text
12 lines
342 B
Text
evalNone.lean:1:6-1:10: error: don't know how to synthesize implicit argument
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@none ?m
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context:
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⊢ Type ?u
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evalNone.lean:3:6-3:8: error: don't know how to synthesize implicit argument
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@List.nil ?m
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context:
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⊢ Type ?u
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evalNone.lean:3:6-3:14: error: don't know how to synthesize implicit argument
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@List.head? ?m []
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context:
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⊢ Type ?u
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