lean4-htt/tests/leanpkg/user_attr/UserAttr/BlaAttr.lean
Leonardo de Moura a77598f7cf feat: user-defined attributes
See new test for an example.

closes #513
2021-07-26 18:24:10 -07:00

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import Lean
open Lean
initialize blaAttr : TagAttribute ← registerTagAttribute `bla "simple user defined attribute"