auto_enums/derive/core/
fmt.rs

1// SPDX-License-Identifier: Apache-2.0 OR MIT
2
3macro_rules! derive_fmt {
4    ($trait:ident, $Trait:ident, [$($name:expr),*]) => {
5        pub(crate) mod $trait {
6            use crate::derive::prelude::*;
7
8            pub(crate) const NAME: &[&str] = &[$($name),*];
9
10            pub(crate) fn derive(_cx: &Context, data: &Data) -> Result<TokenStream> {
11                Ok(derive_trait(data, &parse_quote!(::core::fmt::$Trait), None, parse_quote! {
12                    trait $Trait {
13                        #[inline]
14                        fn fmt(&self, f: &mut ::core::fmt::Formatter<'_>) -> ::core::fmt::Result;
15                    }
16                }))
17            }
18        }
19    };
20}
21
22derive_fmt!(debug, Debug, ["Debug", "fmt::Debug"]);
23derive_fmt!(display, Display, ["Display", "fmt::Display"]);
24
25#[cfg(feature = "fmt")]
26derive_fmt!(binary, Binary, ["fmt::Binary"]);
27#[cfg(feature = "fmt")]
28derive_fmt!(lower_exp, LowerExp, ["fmt::LowerExp"]);
29#[cfg(feature = "fmt")]
30derive_fmt!(lower_hex, LowerHex, ["fmt::LowerHex"]);
31#[cfg(feature = "fmt")]
32derive_fmt!(octal, Octal, ["fmt::Octal"]);
33#[cfg(feature = "fmt")]
34derive_fmt!(pointer, Pointer, ["fmt::Pointer"]);
35#[cfg(feature = "fmt")]
36derive_fmt!(upper_exp, UpperExp, ["fmt::UpperExp"]);
37#[cfg(feature = "fmt")]
38derive_fmt!(upper_hex, UpperHex, ["fmt::UpperHex"]);
39
40pub(crate) mod write {
41    use crate::derive::prelude::*;
42
43    pub(crate) const NAME: &[&str] = &["fmt::Write"];
44
45    pub(crate) fn derive(_cx: &Context, data: &Data) -> Result<TokenStream> {
46        Ok(derive_trait(data, &parse_quote!(::core::fmt::Write), None, parse_quote! {
47            trait Write {
48                #[inline]
49                fn write_str(&mut self, s: &str) -> ::core::fmt::Result;
50                #[inline]
51                fn write_char(&mut self, c: char) -> ::core::fmt::Result;
52                #[inline]
53                fn write_fmt(&mut self, args: ::core::fmt::Arguments<'_>) -> ::core::fmt::Result;
54            }
55        }))
56    }
57}
auto_enums/derive/core/fmt.rs

auto_enums/derive/core/
fmt.rs
