Struct ShowBuffer 

pub struct ShowBuffer { /* private fields */ }

A string buffer with indentation support.

Implementations

impl ShowBuffer

pub fn new(step: usize) -> Self

Create a new empty buffer.

pub fn push(&mut self, s: &str)

Push a string directly.

pub fn push_char(&mut self, c: char)

Push a character.

pub fn newline(&mut self)

Push a newline followed by current indentation.

pub fn indent(&mut self)

Increase indentation.

pub fn dedent(&mut self)

Decrease indentation (saturating).

pub fn finish(self) -> String

Consume the buffer and return the accumulated string.

pub fn len(&self) -> usize

Current accumulated length in bytes.

pub fn is_empty(&self) -> bool

Whether the buffer is empty.

pub fn with_indent<F: FnOnce(&mut ShowBuffer)>(&mut self, f: F)

Push an indented block: indent, run f, dedent.

Trait Implementations

impl Clone for ShowBuffer

fn clone(&self) -> ShowBuffer

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ShowBuffer

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

Formats the value using the given formatter.

impl Default for ShowBuffer

fn default() -> ShowBuffer

Returns the “default value” for a type.

impl Display for ShowBuffer

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

Formats the value using the given formatter.