opaque Lean.Meta.synthInstance.checkSynthOrder : Lean.Option Bool

@[reducible, inline]

abbrev Lean.Meta.InstanceKey : Type

structure Lean.Meta.InstanceEntry : Type

• keys : Array Lean.Meta.InstanceKey
• val : Lean.Expr
• priority : Nat
• globalName? : Option Lean.Name
• synthOrder : Array Nat

  The order in which the instance's arguments are to be synthesized.

• attrKind : Lean.AttributeKind

instance Lean.Meta.instInhabitedInstanceEntry : Inhabited Lean.Meta.InstanceEntry

instance Lean.Meta.instBEqInstanceEntry : BEq Lean.Meta.InstanceEntry

Equations

• Lean.Meta.instBEqInstanceEntry = { beq := fun (e₁ e₂ : Lean.Meta.InstanceEntry) => e₁.val == e₂.val }

instance Lean.Meta.instToFormatInstanceEntry : Lean.ToFormat Lean.Meta.InstanceEntry

Equations

• Lean.Meta.instToFormatInstanceEntry = { format := fun (e : Lean.Meta.InstanceEntry) => match e.globalName? with | some n => Lean.format n | x => Std.Format.text "<local>" }

@[reducible, inline]

abbrev Lean.Meta.InstanceTree : Type

Equations

• Lean.Meta.InstanceTree = Lean.Meta.DiscrTree Lean.Meta.InstanceEntry

structure Lean.Meta.Instances : Type

• discrTree : Lean.Meta.InstanceTree
• instanceNames : Lean.PHashMap Lean.Name Lean.Meta.InstanceEntry
• erased : Lean.PHashSet Lean.Name

instance Lean.Meta.instInhabitedInstances : Inhabited Lean.Meta.Instances

Equations

• Lean.Meta.instInhabitedInstances = { default := { discrTree := default, instanceNames := default, erased := default } }

def Lean.Meta.addInstanceEntry (d : Lean.Meta.Instances) (e : Lean.Meta.InstanceEntry) : Lean.Meta.Instances

Equations

• One or more equations did not get rendered due to their size.

def Lean.Meta.Instances.eraseCore (d : Lean.Meta.Instances) (declName : Lean.Name) : Lean.Meta.Instances

def Lean.Meta.Instances.erase {m : Type → Type} [Monad m] [Lean.MonadError m] (d : Lean.Meta.Instances) (declName : Lean.Name) : m Lean.Meta.Instances

opaque Lean.Meta.instanceExtension : Lean.SimpleScopedEnvExtension Lean.Meta.InstanceEntry Lean.Meta.Instances

def Lean.Meta.addInstance (declName : Lean.Name) (attrKind : Lean.AttributeKind) (prio : Nat) : Lean.MetaM Unit

def Lean.Meta.getGlobalInstancesIndex : Lean.CoreM (Lean.Meta.DiscrTree Lean.Meta.InstanceEntry)

def Lean.Meta.getErasedInstances : Lean.CoreM (Lean.PHashSet Lean.Name)

def Lean.Meta.isInstanceCore (env : Lean.Environment) (declName : Lean.Name) : Bool

Equations

• Lean.Meta.isInstanceCore env declName = Lean.PersistentHashMap.contains (Lean.ScopedEnvExtension.getState Lean.Meta.instanceExtension env).instanceNames declName

def Lean.Meta.isInstance (declName : Lean.Name) : Lean.CoreM Bool

def Lean.Meta.getInstancePriority? (declName : Lean.Name) : Lean.CoreM (Option Nat)

Equations

• One or more equations did not get rendered due to their size.

def Lean.Meta.getInstanceAttrKind? (declName : Lean.Name) : Lean.CoreM (Option Lean.AttributeKind)

Default instance support

structure Lean.Meta.DefaultInstanceEntry : Type

• className : Lean.Name
• instanceName : Lean.Name
• priority : Nat

@[reducible, inline]

abbrev Lean.Meta.PrioritySet : Type

structure Lean.Meta.DefaultInstances : Type

• defaultInstances : Lean.NameMap (List (Lean.Name × Nat))
• priorities : Lean.Meta.PrioritySet

instance Lean.Meta.instInhabitedDefaultInstances : Inhabited Lean.Meta.DefaultInstances

Equations

• Lean.Meta.instInhabitedDefaultInstances = { default := { defaultInstances := default, priorities := default } }

def Lean.Meta.addDefaultInstanceEntry (d : Lean.Meta.DefaultInstances) (e : Lean.Meta.DefaultInstanceEntry) : Lean.Meta.DefaultInstances

Equations

• One or more equations did not get rendered due to their size.

opaque Lean.Meta.defaultInstanceExtension : Lean.SimplePersistentEnvExtension Lean.Meta.DefaultInstanceEntry Lean.Meta.DefaultInstances

def Lean.Meta.addDefaultInstance (declName : Lean.Name) (prio : Nat := 0) : Lean.MetaM Unit

def Lean.Meta.getDefaultInstancesPriorities {m : Type → Type} [Monad m] [Lean.MonadEnv m] : m Lean.Meta.PrioritySet

def Lean.Meta.getDefaultInstances {m : Type → Type} [Monad m] [Lean.MonadEnv m] (className : Lean.Name) : m (List (Lean.Name × Nat))

Equations

• Lean.Meta.getDefaultInstances className = do let __do_lift ← Lean.getEnv pure (((Lean.Meta.defaultInstanceExtension.getState __do_lift).defaultInstances.find? className).getD [])