to_arraystring/
macros.rs

1macro_rules! gen_fmt_to_buf {
2    ($name:ident($lib:ident::$type:ident)) => {
3        pub(crate) fn $name<const CAP: usize>(val: impl $lib::$type) -> arrayvec::ArrayString<CAP> {
4            let mut buffer = $lib::Buffer::new();
5            let formatted_ref = buffer.format(val);
6
7            arrayvec::ArrayString::from(formatted_ref).unwrap()
8        }
9    };
10}
11
12gen_fmt_to_buf!(fmt_int_to_buf(itoa::Integer));
13gen_fmt_to_buf!(fmt_float_to_buf(ryu::Float));
14
15macro_rules! impl_int {
16    (ToArrayString<$len:literal> for $type:ty) => {
17        impl ToArrayString for $type {
18            const MAX_LENGTH: usize = $len;
19            type ArrayString = ArrayString<$len>;
20
21            #[inline]
22            fn to_arraystring(self) -> Self::ArrayString {
23                fmt_int_to_buf(self)
24            }
25        }
26
27        #[cfg(feature = "nonzero_impls")]
28        impl ToArrayString for core::num::NonZero<$type> {
29            const MAX_LENGTH: usize = $len;
30            type ArrayString = ArrayString<$len>;
31
32            #[inline]
33            fn to_arraystring(self) -> Self::ArrayString {
34                fmt_int_to_buf(self.get())
35            }
36        }
37    };
38}
39
40macro_rules! impl_float {
41    (ToArrayString<$len:literal> for $type:ty) => {
42        impl ToArrayString for $type {
43            const MAX_LENGTH: usize = $len;
44            type ArrayString = ArrayString<$len>;
45
46            #[inline]
47            fn to_arraystring(self) -> Self::ArrayString {
48                fmt_float_to_buf(self)
49            }
50        }
51    };
52}
53#[cfg(test)]
54macro_rules! generate_test {
55    ($($type:ident),*) => {
56        paste::paste!($(
57            #[test]
58            fn [<check_ $type>]() {
59                test_impl($type::MIN, $type::MAX);
60
61                #[cfg(feature = "nonzero_impls")]
62                test_impl(core::num::NonZero::<$type>::MIN, core::num::NonZero::<$type>::MAX);
63            }
64        )*);
65    };
66}
67
68pub(crate) use {impl_float, impl_int};
69
70#[cfg(test)]
71pub(crate) use generate_test;
to_arraystring/macros.rs

to_arraystring/
macros.rs
