std.string

std.string

std.string is the current text-processing module. It also carries the conversion helpers that other languages might place in a dedicated fmt or convert package.

Import

import std.string as string

Reference

Name	Signature	Description
str_eq	func str_eq(left: str, right: str) -> bool	string equality
concat	func concat(left: str, right: str) -> str	concatenate two strings
split	func split(value: str, sep: str) -> Array[str]	split into array
trim	func trim(value: str) -> str	trim whitespace
from_int	func from_int(value: i32) -> str	format i32
to_int	func to_int(value: str) -> i32	parse i32
len	func len(value: str) -> i32	byte length
slen	func slen(value: str) -> i32	alias of len
contains	func contains(value: str, sub: str) -> bool	substring test
starts_with	func starts_with(value: str, prefix: str) -> bool	prefix test
ends_with	func ends_with(value: str, suffix: str) -> bool	suffix test
find	func find(value: str, sub: str) -> i32	first index or -1
replace	func replace(value: str, old_value: str, new_value: str) -> str	replace all
to_upper	func to_upper(value: str) -> str	uppercase
to_lower	func to_lower(value: str) -> str	lowercase
pad_left	func pad_left(value: str, width: i32, ch: str) -> str	left pad
pad_right	func pad_right(value: str, width: i32, ch: str) -> str	right pad
repeat	func repeat(value: str, count: i32) -> str	repeat
reverse	func reverse(value: str) -> str	reverse byte-wise
strip	func strip(value: str, chars: str) -> str	strip edge chars
char_at	func char_at(value: str, index: i32) -> str	single-character string
to_f64	func to_f64(value: str) -> f64	parse f64
from_f64	func from_f64(value: f64) -> str	format f64
from_bool	func from_bool(value: bool) -> str	format bool
to_bool	func to_bool(value: str) -> bool	parse bool
is_empty	func is_empty(value: str) -> bool	empty test
join	func join(parts: Array[str], sep: str) -> str	join array of strings

Examples

import std.string as string

func main():
  let text = string.concat("Hello, ", "Thagore")
  println(text)

import std.string as string

func main() -> i32:
  if (string.contains("compiler", "pile") and string.starts_with("compiler", "com")):
    return 0
  return 1

import std.string as string

func main():
  println(string.from_int(42))
  println(string.from_f64(3.5))
  println(string.from_bool(true))