import Lean /-! # Additional tests that syntaxes pretty print with spaces -/ namespace Damiano1 /-! These are some pretty printing issues reported by Damiano Testa at https://leanprover.zulipchat.com/#narrow/channel/270676-lean4/topic/Some.20pretty.20printing.20quirks/near/529964215 -/ elab "#pp " cmd:command : command => Lean.logInfo cmd /-- info: example (h : False) : False := by rcases (h) -/ #guard_msgs in #pp example (h : False) : False := by rcases (h) structure X where A : {_ : Nat} → Nat → Nat /-- info: example : X where A {a} b := a + b -/ #guard_msgs in #pp example : X where A {a} b := a + b /-- info: example : True := have (h) := trivial h -/ #guard_msgs in #pp example : True := have (h) := trivial h /-- info: example (h : ∀ a : Nat, a = a) : 0 = 0 := by replace (h) := h 0 exact h -/ #guard_msgs in #pp example (h : ∀ a : Nat, a = a) : 0 = 0 := by replace (h) := h 0 exact h /-- info: example {c : Bool} : c = c := by induction c with | true | _ => rfl -/ #guard_msgs in #pp example {c : Bool} : c = c := by induction c with | true | _ => rfl /-- info: #check ``Nat -/ #guard_msgs in #pp #check ``Nat /-- info: example : True := by { trivial done done } -/ #guard_msgs in #pp example : True := by { trivial done done } /-- info: example : True := by { trivial } -/ #guard_msgs in #pp example : True := by { trivial } /-- info: grind_pattern A => B, C -/ #guard_msgs in #pp grind_pattern A => B, C end Damiano1