Struct Utf8Builder

pub struct Utf8Builder { /* private fields */ }

A builder for Building and validating UTF-8 data from chunks.

Implementations

impl Utf8Builder

pub const fn new() -> Self

Constructs a new, empty Utf8Builder.

pub fn with_capacity(capacity: usize) -> Self

Constructs a new, empty with_capacity with a specific capacity.

pub fn reserve(&mut self, additional: usize)

Reserves capacity for at least additional more elements to be inserted in the given Utf8Builder.

pub fn len(&self) -> usize

Returns the number of elements in the buffer.

pub fn is_empty(&self) -> bool

Returns true if the builder contains no data.

impl Utf8Builder

pub fn is_valid(&self) -> bool

Returns whether the current data are valid UTF-8

pub fn finalize(self) -> Result<String, Utf8Error>

Try to get the String instance.

impl Utf8Builder

pub fn push(&mut self, b: u8) -> Result<(), Utf8Error>

Pushes a byte.

pub fn push_str(&mut self, s: &str) -> Result<(), Utf8Error>

Pushes a &str.

pub fn push_char(&mut self, c: char) -> Result<(), Utf8Error>

Pushes a char.

pub fn push_chunk(&mut self, chunk: &[u8]) -> Result<(), Utf8Error>

Pushes a chunk.

Trait Implementations

impl Clone for Utf8Builder

fn clone(&self) -> Utf8Builder

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Utf8Builder

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

Formats the value using the given formatter.

impl Default for Utf8Builder

fn default() -> Utf8Builder

Returns the “default value” for a type.

impl From<&str> for Utf8Builder

fn from(s: &str) -> Self

Converts to this type from the input type.

impl From<String> for Utf8Builder

fn from(s: String) -> Self

Converts to this type from the input type.