lean2/tests/lean/run/blast_trace.lean

set_option trace.blast true
set_option trace.blast.action false

example (a b : Prop) : a ∧ b → b ∧ a :=
by blast
feat(library/trace): allow user to disable subclasses of a trace class Example: set_option trace.blast true -- enables trace.blast class and all subclasses set_option trace.blast.action false -- disables the given subclass Result: all blast classes are traced but blast.action 2015-12-11 19:03:16 +00:00			`set_option trace.blast true`
			`set_option trace.blast.action false`

			`example (a b : Prop) : a ∧ b → b ∧ a :=`
			`by blast`