Debugging helper functions

@[never_extract, extern lean_dbg_trace]

def dbgTrace {α : Type u} (s : String) (f : Unit → α) : α

def dbgTraceVal {α : Type u} [ToString α] (a : α) : α

@[never_extract, extern lean_dbg_trace_if_shared]

def dbgTraceIfShared {α : Type u} (s : String) (a : α) : α

Display the given message if a is shared, that is, RC(a) > 1

@[never_extract, extern lean_dbg_stack_trace]

def dbgStackTrace {α : Type u} (f : Unit → α) : α

Print stack trace to stderr before evaluating given closure. Currently supported on Linux only.

@[extern lean_dbg_sleep]

def dbgSleep {α : Type u} (ms : UInt32) (f : Unit → α) : α

@[never_extract, inline]

def panicWithPos {α : Type u} [Inhabited α] (modName : String) (line : Nat) (col : Nat) (msg : String) : α

@[never_extract, inline]

def panicWithPosWithDecl {α : Type u} [Inhabited α] (modName : String) (declName : String) (line : Nat) (col : Nat) (msg : String) : α

@[extern lean_ptr_addr]

unsafe opaque ptrAddrUnsafe {α : Type u} (a : α) : USize

@[inline]

unsafe def withPtrAddrUnsafe {α : Type u} {β : Type v} (a : α) (k : USize → β) (h : ∀ (u₁ u₂ : USize), k u₁ = k u₂) : β

@[inline]

unsafe def ptrEq {α : Type u_1} (a : α) (b : α) : Bool

unsafe def ptrEqList {α : Type u_1} (as : List α) (bs : List α) : Bool

@[inline]

unsafe def withPtrEqUnsafe {α : Type u} (a : α) (b : α) (k : Unit → Bool) (h : a = b → k () = true) : Bool

@[implemented_by withPtrEqUnsafe]

def withPtrEq {α : Type u} (a : α) (b : α) (k : Unit → Bool) (h : a = b → k () = true) : Bool

@[inline]

def withPtrEqDecEq {α : Type u} (a : α) (b : α) (k : Unit → Decidable (a = b)) : Decidable (a = b)

withPtrEq for DecidableEq

@[implemented_by withPtrAddrUnsafe]

def withPtrAddr {α : Type u} {β : Type v} (a : α) (k : USize → β) (h : ∀ (u₁ u₂ : USize), k u₁ = k u₂) : β

@[inline]

def getElem! {cont : Type u_1} {idx : Type u_2} {elem : Type u_3} {dom : cont → idx → Prop} [GetElem cont idx elem dom] [Inhabited elem] (xs : cont) (i : idx) [Decidable (dom xs i)] : elem

@[inline]

def getElem? {cont : Type u_1} {idx : Type u_2} {elem : Type u_3} {dom : cont → idx → Prop} [GetElem cont idx elem dom] (xs : cont) (i : idx) [Decidable (dom xs i)] : Option elem

def «term__[_]_?» : Lean.TrailingParserDescr

def «term__[_]_!» : Lean.TrailingParserDescr