Crate aformat

A no-std and no-alloc version of format! using ToArrayString.

Example

use aformat::{astr, aformat, CapStr};

pub fn say_hello(name: &str, age: u8) {
    let name = CapStr::<256>(name);

    let formatted = aformat!("Hello {name}, you are {age} years old!");
    println!("{}", formatted.as_str());
}

say_hello("Walter White", 50);

Minimum Supported Rust Version

This is currently 1.79, and is considered a breaking change to increase.

Re-exports

• pub use arrayvec::ArrayString;
• pub use to_arraystring::ToArrayString;

Macros

• aformat
  A no-alloc version of format!, producing an ArrayString.
• aformat_into
  aformat!, but you provide your own ArrayString.
• astr
  A simple and easy way to make a perfectly fitting ArrayString from a literal.

Structs

• CapStr
  A transparent wrapper around &str to truncate the byte length to a compile time constant.