std::strings

std::strings provides utilities and types built on top of the core string type (UTF‑8 bytes), including simple comparisons and owned string construction.

Full reference: strings.

Notes#

• Supported forms is available; long-term API is still evolving.
• Full reference: strings

Importing#

import std::strings;

Exported API#

module std::strings;

export fn eq (a: string, b: string) -> bool;
export fn is_empty (s: string) -> bool;
export fn or_empty (s: string?) -> string;

Examples#

Example: equality + optionals#

import std::strings;

fn main () -> int {
  let a: string = "hi";
  let b: string? = None;

  if std::strings::eq(a, "hi") && std::strings::is_empty(std::strings::or_empty(b)) {
    return 0;
  }
  return 1;
}

See also#

• Full reference: strings
• String literal semantics: literals string
• FFI string ABI rules: ext