rune 0.12.0

An embeddable dynamic programming language for Rust.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

//! The `std::fmt` module.

use crate::runtime::{Format, Protocol};
use crate::{ContextError, Module};
use std::fmt;
use std::fmt::Write;

/// Construct the `std::fmt` module.
pub fn module() -> Result<Module, ContextError> {
    let mut module = Module::with_crate_item("std", &["fmt"]);
    module.ty::<std::fmt::Error>()?;
    module.inst_fn(Protocol::STRING_DISPLAY, format_fmt_error)?;

    module.ty::<Format>()?;
    Ok(module)
}

fn format_fmt_error(error: &std::fmt::Error, buf: &mut String) -> fmt::Result {
    write!(buf, "{}", error)
}