humfmt 0.5.0

Ergonomic human-readable formatting toolkit for Rust
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

use core::fmt;

use crate::locale::{English, Locale};

use super::{format::format_percent, PercentOptions};

/// `Display` wrapper for percentage formatting (e.g. `"42.3%"`).
///
/// Instances of this type are created via [`crate::percent`] and [`crate::percent_with`].
///
/// This type does not allocate on its own; allocation only happens if the caller
/// requests an owned `String` via `.to_string()` or `format!(...)`.
#[derive(Copy, Clone, Debug)]
pub struct PercentDisplay<L: Locale = English> {
    value: f64,
    options: PercentOptions<L>,
}

impl<L: Locale> PercentDisplay<L> {
    pub(crate) fn new(value: f64, options: PercentOptions<L>) -> Self {
        Self { value, options }
    }
}

impl<L: Locale> fmt::Display for PercentDisplay<L> {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        format_percent(f, self.value, &self.options)
    }
}