Documentation

Lean.Data.Options

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        @[export lean_register_option]
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          @[export lean_get_option_decls_array]
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                  class Lean.MonadOptions (m : TypeType) :
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                    • Lean.instMonadOptionsOfMonadLift = { getOptions := liftM Lean.getOptions }
                    def Lean.getBoolOption {m : TypeType} [Monad m] [Lean.MonadOptions m] (k : Lean.Name) (defValue : Bool := false) :
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                      def Lean.getNatOption {m : TypeType} [Monad m] [Lean.MonadOptions m] (k : Lean.Name) (defValue : Nat := 0) :
                      m Nat
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                        class Lean.MonadWithOptions (m : TypeType) :
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                          Remark: _inPattern is an internal option for communicating to the delaborator that the term being delaborated should be treated as a pattern.

                          def Lean.withInPattern {m : TypeType} {α : Type} [Lean.MonadWithOptions m] (x : m α) :
                          m α
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                              structure Lean.Option (α : Type) :

                              A strongly-typed reference to an option.

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                                • Lean.instInhabitedOption = { default := { name := default, defValue := default } }
                                structure Lean.Option.Decl (α : Type) :
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                                  def Lean.Option.get? {α : Type} [Lean.KVMap.Value α] (opts : Lean.Options) (opt : Lean.Option α) :
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                                    def Lean.Option.get {α : Type} [Lean.KVMap.Value α] (opts : Lean.Options) (opt : Lean.Option α) :
                                    α
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                                      def Lean.Option.set {α : Type} [Lean.KVMap.Value α] (opts : Lean.Options) (opt : Lean.Option α) (val : α) :
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                                        def Lean.Option.setIfNotSet {α : Type} [Lean.KVMap.Value α] (opts : Lean.Options) (opt : Lean.Option α) (val : α) :

                                        Similar to set, but update opts only if it doesn't already contains an setting for opt.name

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                                          def Lean.Option.register {α : Type} [Lean.KVMap.Value α] (name : Lean.Name) (decl : Lean.Option.Decl α) (ref : Lean.Name := by exact decl_name%) :
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