web-glitz-macros 0.2.0

Procedural macros for the web-glitz crate.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35

use std::fmt::Display;

pub struct ErrorLog {
    errors: Vec<String>,
}

impl ErrorLog {
    pub fn new() -> Self {
        ErrorLog { errors: Vec::new() }
    }

    pub fn log_error<T>(&mut self, error: T)
    where
        T: Display,
    {
        self.errors.push(error.to_string());
    }

    pub fn compile(self) -> Result<(), String> {
        match self.errors.len() {
            0 => Ok(()),
            1 => Err(self.errors.into_iter().next().unwrap()),
            n => {
                let mut output = format!("{} errors:", n);

                for err in self.errors {
                    output.push_str("\n\t# ");
                    output.push_str(&err);
                }

                Err(output)
            }
        }
    }
}