Documentation

Init.Data.Format.Instances

instance instToFormat {α : Type u_1} [inst : ToString α] :

Lean.ToFormat α

Equations

instToFormat = { format := Std.Format.text ∘ toString }

def List.format {α : Type u_1} [inst : Lean.ToFormat α] :

List α → Lean.Format

Equations

List.format x = match x with | [] => Std.Format.text "[]" | xs => Lean.Format.sbracket (Lean.Format.joinSep xs (Std.Format.text "," ++ Lean.Format.line))

instance instToFormatList {α : Type u_1} [inst : Lean.ToFormat α] :

Lean.ToFormat (List α)

Equations

instToFormatList = { format := List.format }

instance instToFormatArray {α : Type u_1} [inst : Lean.ToFormat α] :

Lean.ToFormat (Array α)

Equations

instToFormatArray = { format := fun a => Std.Format.text "#" ++ Lean.format (Array.toList a) }

def Option.format {α : Type u} [inst : Lean.ToFormat α] :

Option α → Lean.Format

Equations

Option.format x = match x with | none => Std.Format.text "none" | some a => Std.Format.text "some " ++ Lean.format a

instance instToFormatOption {α : Type u} [inst : Lean.ToFormat α] :

Lean.ToFormat (Option α)

Equations

instToFormatOption = { format := Option.format }

instance instToFormatProd {α : Type u} {β : Type v} [inst : Lean.ToFormat α] [inst : Lean.ToFormat β] :

Lean.ToFormat (α × β)

Equations

instToFormatProd = { format := fun x => match x with | (a, b) => Lean.Format.paren (Lean.format a ++ Std.Format.text "," ++ Lean.Format.line ++ Lean.format b) }

def String.toFormat (s : String) :

Equations

String.toFormat s = Lean.Format.joinSep (String.splitOn s "\n") Lean.Format.line