lean4-htt/tests/lean/coe5.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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open tactic
attribute [instance]
definition expr_to_app : has_coe_to_fun expr :=
has_coe_to_fun.mk (expr → expr) (λ e, expr.app e)
constants f a b : expr
check f a
check f a b
check f a b a
set_option pp.coercions false
check f a b a
set_option pp.all true
set_option pp.coercions true
check f a b