String

Module: std.string
Source: std/string.zn

Usage Example

use std.string;

fn main() {
  let text = String.from("hello");

  text.push_str(" world");

  @println("{}", text);
}

Structures

String

Dynamic heap-allocated string

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Fields:

ptr: [*]char,
_len: usize,
_capacity: usize,

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Constructors:

pub fn new() Self;

pub fn with_capacity(capacity: usize) Self;

pub fn from(value: []const char) Self;

pub fn from_cstr(value: [*]const char) Self;

pub fn from_raw_parts(ptr: *void, len: usize, capacity: usize) Self;

pub fn from_list(value: *const List[char]) Self;

Getters:

pub fn capacity(*const self) usize;

pub fn is_empty(*const self) bool;

pub fn get(*const self, index: usize) Option[char];

pub fn get_ptr(*const self, index: usize) Option[*char];

pub fn contains(*const self, value: char) bool;

pub fn contains_str(*const self, value: []const char) bool;

pub fn contains_cstr(*const self, value: [*]const char) bool;

pub fn find(*const self, value: char) Option[usize];

pub fn find_str(*const self, value: []const char) Option[usize];

pub fn find_cstr(*const self, value: [*]const char) Option[usize];

pub fn to_list(*const self) List[char];

pub fn trim(*const self) []const char;

pub fn trim_start(*const self) []const char;

pub fn trim_end(*const self) []const char;

pub fn split(*const self, delim: char) List[String];

Mutations:

pub fn push(*self, value: char);

pub fn push_str(*self, value: []const char);

pub fn push_string(*self, value: *Self);

pub fn pop(*self) Option[char];

pub fn remove(*self, index: usize) Option[char];

pub fn set(*self, index: usize, value: char) Option[char];

pub fn to_uppercase(*self);

pub fn to_lowercase(*self);

pub fn replace(*self, from: [*]const char, to: [*]const char);

pub fn reverse(*self);

pub fn clear(*self);

pub fn truncate(*self, new_len: usize);

Parsing:

pub fn parse_i32(*const self) Option[i32];

pub fn parse_i64(*const self) Option[i64];

pub fn parse_u32(*const self) Option[u32];

pub fn parse_u64(*const self) Option[u64];

pub fn parse_f32(*const self) Option[f32];

pub fn parse_f64(*const self) Option[f64];

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Interfaces:

• core.ops : Clone, Drop, Eq, Hash, Index, IndexPtr, Sliceable
• core.io : Display, Debug, StrWriter