14957680780

Committed 11 May 2025 04:32PM UTC coverage: 97.708%. First build

Build # 14957680780

Build Type

Pull #12

github

Committed by

web-flow

Commit Message

Merge 067eea501 into 0af134203

Pull Request Pull Request #12: feat: Option to derive `Default` trait

Run Details

127 of 133 new or added lines in 7 files covered. (95.49%)

341 of 349 relevant lines covered (97.71%)

6.37 hits per line

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96.15

/src/types/fields_source.rs

use super::{Field, Fields};
use crate::FmtTuple;
use proc_macro2::Ident;
use quote::format_ident;
use syn::Error;

pub enum FieldsSource {
    Struct(Fields),
    Enum { variant: Ident, fields: Fields },
}

impl FieldsSource {
    pub(crate) fn fields(&self) -> &Fields {
        match *self {
            FieldsSource::Struct(ref fields) | FieldsSource::Enum { ref fields, .. } => fields,
        }
    }
}

impl TryFrom<syn::Fields> for Fields {
    type Error = Error;

    fn try_from(fields: syn::Fields) -> Result<Self, Self::Error> {
        Ok(match fields {
            syn::Fields::Unit => Fields::Unit,
            syn::Fields::Named(f) => Fields::Named(Field::collect(fmt_named(f.named))?),
            syn::Fields::Unnamed(f) => Fields::Unnamed(Field::collect(fmt_unnamed(f.unnamed))?),
        })
    }
}

fn fmt_named(fields: impl IntoIterator<Item = syn::Field>) -> impl Iterator<Item = FmtTuple> {
    fields.into_iter().map(move |f| {
        (
            f.attrs,
            Ok(f.ident.expect("Failed to get ident off a named field")),
            f.ty,
        )
    })
}

fn fmt_unnamed(fields: impl IntoIterator<Item = syn::Field>) -> impl Iterator<Item = FmtTuple> {
    fields
        .into_iter()
        .enumerate()
        .map(move |(i, syn::Field { attrs, ty, .. })| (attrs, Err(format_ident!("f{}", i + 1)), ty))
}

1	use super::{Field, Fields};
2	use crate::FmtTuple;
3	use proc_macro2::Ident;
4	use quote::format_ident;
5	use syn::Error;
6
7	pub enum FieldsSource {
8	Struct(Fields),
9	Enum { variant: Ident, fields: Fields },
10	}
11
12	impl FieldsSource {
13	pub(crate) fn fields(&self) -> &Fields {	10✔
14	match *self {	10✔
15	FieldsSource::Struct(ref fields) \| FieldsSource::Enum { ref fields, .. } => fields,	10✔
16	}	10✔
17	}	10✔
18	}
19
20	impl TryFrom<syn::Fields> for Fields {
21	type Error = Error;
22
23	fn try_from(fields: syn::Fields) -> Result<Self, Self::Error> {	9✔
24	Ok(match fields {	9✔
NEW 25	syn::Fields::Unit => Fields::Unit,	×
26	syn::Fields::Named(f) => Fields::Named(Field::collect(fmt_named(f.named))?),	7✔
27	syn::Fields::Unnamed(f) => Fields::Unnamed(Field::collect(fmt_unnamed(f.unnamed))?),	2✔
28	})
29	}	9✔
30	}
31
32	fn fmt_named(fields: impl IntoIterator<Item = syn::Field>) -> impl Iterator<Item = FmtTuple> {	7✔
33	fields.into_iter().map(move \|f\| {	13✔
34	(	13✔
35	f.attrs,	13✔
36	Ok(f.ident.expect("Failed to get ident off a named field")),	13✔
37	f.ty,	13✔
38	)	13✔
39	})	13✔
40	}	7✔
41
42	fn fmt_unnamed(fields: impl IntoIterator<Item = syn::Field>) -> impl Iterator<Item = FmtTuple> {	2✔
43	fields	2✔
44	.into_iter()	2✔
45	.enumerate()	2✔
46	.map(move \|(i, syn::Field { attrs, ty, .. })\| (attrs, Err(format_ident!("f{}", i + 1)), ty))	2✔
47	}	2✔

Alorel / fancy_constructor-rs / 14957680780

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