Enum Doc 

pub enum Doc {
    Empty,
    Text(String),
    Concat(Box<Doc>, Box<Doc>),
    Line,
    Nest(usize, Box<Doc>),
    Union(Box<Doc>, Box<Doc>),
}

An indented document for pretty-printing with line wrapping.

Variants

Empty

Empty document.

Text(String)

A text fragment.

Concat(Box<Doc>, Box<Doc>)

Append two documents.

Line

A line break; collapses to a space when flattened.

Nest(usize, Box<Doc>)

Indented document.

Union(Box<Doc>, Box<Doc>)

Choose between two layouts.

Implementations

impl Doc

pub fn text(s: impl Into<String>) -> Self

Create a text document.

pub fn concat(self, other: Doc) -> Self

Append two documents.

pub fn line() -> Self

Add a line break.

pub fn nest(n: usize, doc: Doc) -> Self

Indent a document by n spaces.

pub fn render(&self, width: usize) -> String

Render to a string with the given page width.

Trait Implementations

impl Clone for Doc

fn clone(&self) -> Doc

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Doc

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.