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
30
31
32
33
34
35
36
37
38
39
40
41
42
43

use crate::common::sealed::Sealed;

#[derive(Copy, Clone, Debug)]
pub enum OrdinalValue {
    Int(i128),
    UInt(u128),
}

/// Trait for inputs accepted by [`crate::ordinal`] / [`crate::ordinal_with`].
///
/// Implemented for all integer primitives (`i*`, `u*`, `isize`, `usize`).
/// This trait is sealed and cannot be implemented outside this crate.
pub trait OrdinalLike: Sealed + Copy {
    /// Converts the input value into the internal ordinal representation.
    fn into_ordinal(self) -> OrdinalValue;
}

macro_rules! impl_signed {
    ($($t:ty),*) => {
        $(
            impl OrdinalLike for $t {
                fn into_ordinal(self) -> OrdinalValue {
                    OrdinalValue::Int(self as i128)
                }
            }
        )*
    };
}

macro_rules! impl_unsigned {
    ($($t:ty),*) => {
        $(
            impl OrdinalLike for $t {
                fn into_ordinal(self) -> OrdinalValue {
                    OrdinalValue::UInt(self as u128)
                }
            }
        )*
    };
}

impl_signed!(i8, i16, i32, i64, i128, isize);
impl_unsigned!(u8, u16, u32, u64, u128, usize);