lean2/tests/lean/run/notation_priority.lean

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constant f : nat → nat → nat
constant g : nat → nat → nat
infix [priority 10] + := f
infix [priority 20] + := g
variables a b : nat
example : a + b = g a b := rfl
infix [priority 5] + := g
example : a + b = f a b := rfl
infix [priority 15] + := g
example : a + b = g a b := rfl
infix [priority default+1] + := f
infix + := g
example : a + b = f a b := rfl
infix [priority default+2] + := g
example : a + b = g a b := rfl
infix + := f
infix + := g
example : a + b = f a b := rfl
infix [priority default+1] + := g
example : a + b = g a b := rfl