Struct libpijul::small_string::SmallString

#[repr(packed)]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 len(&self) -> usize

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

pub fn is_empty(&self) -> bool

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

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

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

pub fn clear(&mut self)

use libpijul::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_small_str(&self) -> SmallStr<'_>

use libpijul::small_string::*;
let mut s = SmallString::from_str("blah");
let s_ = s.as_small_str();
let s2_ = s_;
let s3_ = s_.clone();
assert_eq!(s_, s2_);
assert_eq!(s_, s3_);

pub fn as_str(&self) -> &str

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

Trait Implementations

impl Clone for SmallString

pub fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for SmallString

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

Formats the value using the given formatter.

impl Eq for SmallString

impl Hash for SmallString

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

Feeds this value into the given Hasher.

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

Feeds a slice of this type into the given Hasher.

impl Ord for SmallString

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

This method returns an Ordering between self and other.

#[must_use]pub fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

#[must_use]pub fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

#[must_use]pub fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval.

impl PartialEq<SmallString> for SmallString

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

This method tests for self and other values to be equal, and is used by ==.

#[must_use]pub fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl PartialOrd<SmallString> for SmallString

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

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

#[must_use]pub fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]pub fn le(&self, other: &Rhs) -> bool

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

#[must_use]pub fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]pub fn ge(&self, other: &Rhs) -> bool

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