Struct SmallString 

#[repr(C)]
pub struct SmallString {
    pub len: u8,
    pub str: [u8; 255],
}

A string of length at most 255, with a more compact on-disk encoding.

Fields

len: u8

str: [u8; 255]

Implementations

impl SmallString

pub fn new() -> Self

pub fn from_str(s: &str) -> Self

pub fn len(&self) -> usize

use pijul_core::small_string::*;
let mut s = SmallString::from_str("blah!");
assert_eq!(s.len(), s.as_str().len());

pub fn is_empty(&self) -> bool

use pijul_core::small_string::*;
let mut s = SmallString::from_str("blah");
s.clear();
assert_eq!(s.as_str(), "");
assert!(s.is_empty());

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

pub fn clear(&mut self)

use pijul_core::small_string::*;
let mut s = SmallString::from_str("blah");
s.clear();
assert!(s.is_empty());

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

pub fn as_str(&self) -> &str

pub fn as_bytes(&self) -> &[u8]

Methods from Deref<Target = SmallStr>

pub fn is_empty(&self) -> bool

use pijul_core::small_string::*;
let mut s = SmallString::from_str("");
assert!(s.as_small_str().is_empty());
s.push_str("blah");
assert!(!s.as_small_str().is_empty());

pub fn len(&self) -> usize

use pijul_core::small_string::*;
let mut s = SmallString::from_str("blah");
assert_eq!(s.as_small_str().len(), "blah".len())

pub fn as_str(&self) -> &str

pub fn as_bytes(&self) -> &[u8]

pub fn to_owned(&self) -> SmallString

Trait Implementations

impl AsMut<SmallStr> for SmallString

fn as_mut(&mut self) -> &mut SmallStr

Converts this type into a mutable reference of the (usually inferred) input type.

impl AsRef<SmallStr> for SmallString

fn as_ref(&self) -> &SmallStr

Converts this type into a shared reference of the (usually inferred) input type.

impl Clone for SmallString

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SmallString

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

Formats the value using the given formatter.

impl Default for SmallString

fn default() -> Self

Returns the “default value” for a type.

impl Deref for SmallString

type Target = SmallStr

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl DerefMut for SmallString

fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.

impl Display for SmallString

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

Formats the value using the given formatter.

impl Eq for SmallString

impl FromStr for SmallString

type Err = Error

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, Error>

Parses a string s to return a value of this type.

impl Hash for SmallString

fn hash<H: Hasher>(&self, x: &mut H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for SmallString

fn cmp(&self, x: &SmallString) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for SmallString

fn eq(&self, x: &SmallString) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl PartialOrd for SmallString

fn partial_cmp(&self, x: &SmallString) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.