lean4-htt/tests/lean/run/simp1.lean
Sebastian Ullrich fd2c42a8bf chore(library, tests): switch to new attribute declaration syntax
sed -Ei 's/^(\s*)((private |protected )?(noncomputable )?(abbreviation|definition|meta_definition|theorem|lemma|proposition|corollary)\s+\S+\s*)((\s*\[(\S+(\s+[0-9]+)*|priority.*)\])+)\s*/\1attribute \6\n\1\2/' library/**/*.lean tests/**/*.lean
sed -Ei 's/\s+$//' library/**/*.lean  # remove trailing whitespace
2016-08-12 15:36:12 -07:00

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Text

constants (A : Type.{1}) (f : A → A → A) (x y z : A) (g : A → A)
attribute [simp]
lemma foo : f x y = y := sorry
attribute [simp]
lemma bar : g y = z := sorry
open tactic
set_option trace.simplifier.failure true
example : g (f x y) = z := by simp
example : g (f x (f x y)) = z := by simp