lean4-htt/tests/lean/run/patbug.lean
2020-09-29 18:22:34 -07:00

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213 B
Text

new_frontend
open Lean
def f : Name → Name
| n@(`foo.bla) => n
| _ => Name.anonymous
def tst : IO Unit := do
when (hash `foo.bla != hash (f `foo.bla)) $
throw $ IO.userError "bug"
IO.println "ok"
#eval tst