inductive Lean.PrefixTreeNode (α : Type u) (β : Type v) (cmp : α → α → Ordering) : Type (max u v)

Similar to trie, but for arbitrary keys

• Node {α : Type u} {β : Type v} {cmp : α → α → Ordering} : Option β → Std.TreeMap.Raw α (PrefixTreeNode α β cmp) cmp → PrefixTreeNode α β cmp

@[instance_reducible]

instance Lean.instInhabitedPrefixTreeNode {α : Type u_1} {β : Type u_2} {cmp : α → α → Ordering} : Inhabited (PrefixTreeNode α β cmp)

Equations

• Lean.instInhabitedPrefixTreeNode = { default := Lean.PrefixTreeNode.Node none ∅ }

def Lean.PrefixTreeNode.empty {α : Type u_1} {β : Type u_2} {cmp : α → α → Ordering} : PrefixTreeNode α β cmp

Equations

• Lean.PrefixTreeNode.empty = Lean.PrefixTreeNode.Node none ∅

@[inline]

def Lean.PrefixTreeNode.insert {α : Type u_1} {β : Type u_2} (cmp : α → α → Ordering) (t : PrefixTreeNode α β cmp) (k : List α) (val : β) : PrefixTreeNode α β cmp

Equations

• Lean.PrefixTreeNode.insert cmp t k val = Lean.PrefixTreeNode.insert.loop✝ cmp val t k

@[specialize #[]]

def Lean.PrefixTreeNode.find? {α : Type u_1} {β : Type u_2} (cmp : α → α → Ordering) (t : PrefixTreeNode α β cmp) (k : List α) : Option β

Equations

• Lean.PrefixTreeNode.find? cmp t k = Lean.PrefixTreeNode.find?.loop✝ cmp t k

@[inline]

def Lean.PrefixTreeNode.findLongestPrefix? {α : Type u_1} {β : Type u_2} (cmp : α → α → Ordering) (t : PrefixTreeNode α β cmp) (k : List α) : Option β

Returns the value of the longest key in t that is a prefix of k, if any.

Equations

• Lean.PrefixTreeNode.findLongestPrefix? cmp t k = Lean.PrefixTreeNode.findLongestPrefix?.loop✝ cmp none t k

@[inline]

def Lean.PrefixTreeNode.foldMatchingM {m : Type u_1 → Type u_2} {α : Type u_3} {β : Type u_4} {σ : Type u_1} [Monad m] (cmp : α → α → Ordering) (t : PrefixTreeNode α β cmp) (k : List α) (init : σ) (f : β → σ → m σ) : m σ

Equations

• Lean.PrefixTreeNode.foldMatchingM cmp t k init f = Lean.PrefixTreeNode.foldMatchingM.find✝ cmp init f k t init

inductive Lean.PrefixTreeNode.WellFormed {α : Type u_1} (cmp : α → α → Ordering) {β : Type u_2} : PrefixTreeNode α β cmp → Prop

• emptyWff {α : Type u_1} {cmp : α → α → Ordering} {x✝ : Type u_2} : WellFormed cmp empty
• insertWff {α : Type u_1} {cmp : α → α → Ordering} {x✝ : Type u_2} {t : PrefixTreeNode α x✝ cmp} {k : List α} {val : x✝} : WellFormed cmp t → WellFormed cmp (insert cmp t k val)

def Lean.PrefixTree (α : Type u) (β : Type v) (cmp : α → α → Ordering) : Type (max u v)

Equations

• Lean.PrefixTree α β cmp = { t : Lean.PrefixTreeNode α β cmp // Lean.PrefixTreeNode.WellFormed cmp t }

def Lean.PrefixTree.empty {α : Type u_1} {β : Type u_2} {p : α → α → Ordering} : PrefixTree α β p

Equations

• Lean.PrefixTree.empty = ⟨Lean.PrefixTreeNode.empty, ⋯⟩

@[instance_reducible]

instance Lean.instInhabitedPrefixTree {α : Type u_1} {β : Type u_2} {p : α → α → Ordering} : Inhabited (PrefixTree α β p)

Equations

• Lean.instInhabitedPrefixTree = { default := Lean.PrefixTree.empty }

@[instance_reducible]

instance Lean.instEmptyCollectionPrefixTree {α : Type u_1} {β : Type u_2} {p : α → α → Ordering} : EmptyCollection (PrefixTree α β p)

Equations

• Lean.instEmptyCollectionPrefixTree = { emptyCollection := Lean.PrefixTree.empty }

@[inline]

def Lean.PrefixTree.insert {α : Type u_1} {β : Type u_2} {p : α → α → Ordering} (t : PrefixTree α β p) (k : List α) (v : β) : PrefixTree α β p

Equations

• t.insert k v = ⟨Lean.PrefixTreeNode.insert p t.val k v, ⋯⟩

@[inline]

def Lean.PrefixTree.find? {α : Type u_1} {β : Type u_2} {p : α → α → Ordering} (t : PrefixTree α β p) (k : List α) : Option β

Equations

• t.find? k = Lean.PrefixTreeNode.find? p t.val k

@[inline]

def Lean.PrefixTree.findLongestPrefix? {α : Type u_1} {β : Type u_2} {p : α → α → Ordering} (t : PrefixTree α β p) (k : List α) : Option β

Returns the value of the longest key in t that is a prefix of k, if any.

Equations

• t.findLongestPrefix? k = Lean.PrefixTreeNode.findLongestPrefix? p t.val k

@[inline]

def Lean.PrefixTree.foldMatchingM {m : Type u_1 → Type u_2} {α : Type u_3} {β : Type u_4} {p : α → α → Ordering} {σ : Type u_1} [Monad m] (t : PrefixTree α β p) (k : List α) (init : σ) (f : β → σ → m σ) : m σ

Equations

• t.foldMatchingM k init f = Lean.PrefixTreeNode.foldMatchingM p t.val k init f

@[inline]

def Lean.PrefixTree.foldM {m : Type u_1 → Type u_2} {α : Type u_3} {β : Type u_4} {p : α → α → Ordering} {σ : Type u_1} [Monad m] (t : PrefixTree α β p) (init : σ) (f : β → σ → m σ) : m σ

Equations

• t.foldM init f = t.foldMatchingM [] init f

@[inline]

def Lean.PrefixTree.forMatchingM {m : Type → Type u_1} {α : Type u_2} {β : Type u_3} {p : α → α → Ordering} [Monad m] (t : PrefixTree α β p) (k : List α) (f : β → m Unit) : m Unit

Equations

• t.forMatchingM k f = Lean.PrefixTreeNode.foldMatchingM p t.val k () fun (b : β) (x : Unit) => f b

@[inline]

def Lean.PrefixTree.forM {m : Type → Type u_1} {α : Type u_2} {β : Type u_3} {p : α → α → Ordering} [Monad m] (t : PrefixTree α β p) (f : β → m Unit) : m Unit

Equations

• t.forM f = t.forMatchingM [] f