lean4-htt/tests/lean/run/1359.lean
Leonardo de Moura 6cff1f1813 fix: try to postpone by .. if expectedType? = none
Reason: it may become `some ..` later. See issue #1359

Closes #1359
2022-07-24 08:03:25 -07:00

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#check (by exact 42) = Nat.zero -- invalid 'by' tactic, expected type has not been provided
#check (by exact 42) + 1 -- invalid 'by' tactic, expected type has not been provided