11355618640

Committed 15 Oct 2024 10:51PM UTC coverage: 93.118%. Remained the same

Build # 11355618640

Build Type

push

github

Committed by

Alorel

Commit Message

feat: Support deriving multiple traits at once

BREAKING CHANGE: `dboth` attribute renamed to `dany`

Run Details

81 of 85 new or added lines in 6 files covered. (95.29%)

9 existing lines in 1 file now uncovered.

433 of 465 relevant lines covered (93.12%)

8.8 hits per line

Source File
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100.0

/src/implementation/variant.rs

use super::main_field::MainField;
use proc_macro2::Ident;
use syn::spanned::Spanned;

#[derive(Copy, Clone)]
pub(crate) enum Style {
    Named,
    Tuple,
    Unit,
}

pub(crate) struct Variant {
    pub ident: Ident,
    pub style: Style,
    pub main_field: Option<MainField>,
}

impl Variant {
    pub fn from_syn(variant: syn::Variant, attr_name: &str) -> syn::Result<Self> {
        let (style, main_field) = match variant.fields {
            syn::Fields::Named(f) => {
                let span = f.span();
                (
                    Style::Named,
                    MainField::resolve_from_iter(f.named, attr_name, span)?,
                )
            }
            syn::Fields::Unnamed(f) => {
                let span = f.span();
                (
                    Style::Tuple,
                    MainField::resolve_from_iter(f.unnamed, attr_name, span)?,
                )
            }
            syn::Fields::Unit => (Style::Unit, None),
        };

        Ok(Self {
            ident: variant.ident,
            style,
            main_field,
        })
    }
}

1	use super::main_field::MainField;
2	use proc_macro2::Ident;
3	use syn::spanned::Spanned;
4
5	#[derive(Copy, Clone)]
6	pub(crate) enum Style {
7	Named,
8	Tuple,
9	Unit,
10	}
11
12	pub(crate) struct Variant {
13	pub ident: Ident,
14	pub style: Style,
15	pub main_field: Option<MainField>,
16	}
17
18	impl Variant {
19	pub fn from_syn(variant: syn::Variant, attr_name: &str) -> syn::Result<Self> {	11✔
20	let (style, main_field) = match variant.fields {	11✔
21	syn::Fields::Named(f) => {	4✔
22	let span = f.span();	4✔
23	(	4✔
24	Style::Named,	4✔
25	MainField::resolve_from_iter(f.named, attr_name, span)?,	4✔
26	)
27	}
28	syn::Fields::Unnamed(f) => {	5✔
29	let span = f.span();	5✔
30	(	5✔
31	Style::Tuple,	5✔
32	MainField::resolve_from_iter(f.unnamed, attr_name, span)?,	5✔
33	)
34	}
35	syn::Fields::Unit => (Style::Unit, None),	2✔
36	};
37
38	Ok(Self {	10✔
39	ident: variant.ident,	10✔
40	style,	10✔
41	main_field,	10✔
42	})	10✔
43	}	11✔
44	}

Alorel / delegate-display-rs / 11355618640

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