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Implement IntoIterator-based convert for impl_payload! macro

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This commit is contained in:
Waffle 2020-11-02 01:35:02 +03:00
parent 59f01a72c0
commit 5ddbd50b37
1 changed files with 60 additions and 8 deletions
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68
src/local_macros.rs
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@ -140,7 +140,7 @@ macro_rules! impl_payload {
$(
#[ $($field_meta:tt)* ]
)*
$v:vis $fields:ident : $FTy:ty $([$into:ident])?
$v:vis $fields:ident : $FTy:ty $([$conv:ident])?
,
)*
}
@ -152,7 +152,7 @@ macro_rules! impl_payload {
$(
#[ $($opt_field_meta:tt)* ]
)*
$opt_v:vis $opt_fields:ident : $OptFTy:ty $([$opt_into:ident])?
$opt_v:vis $opt_fields:ident : $OptFTy:ty $([$opt_conv:ident])?
),*
$(,)?
}
@ -182,11 +182,11 @@ macro_rules! impl_payload {
}
impl $Method {
$vi fn new($($($fields : impl_payload!(@into? $FTy $([$into])?)),*)?) -> Self {
$vi fn new($($($fields : impl_payload!(@convert? $FTy $([$conv])?)),*)?) -> Self {
Self {
$(
$(
$fields: $fields $(.$into())?,
$fields: impl_payload!(@convert_map ($fields) $([$conv])?),
)*
)?
$(
@ -213,12 +213,12 @@ macro_rules! impl_payload {
$vi trait $Setters: $crate::requests::HasPayload<Payload = $Method> + ::core::marker::Sized {
$(
$(
impl_payload! { @setter $Method $fields : $FTy $([$into])? }
impl_payload! { @setter $Method $fields : $FTy $([$conv])? }
)*
)?
$(
$(
impl_payload! { @setter_opt $Method $opt_fields : $OptFTy $([$opt_into])? }
impl_payload! { @setter_opt $Method $opt_fields : $OptFTy $([$opt_conv])? }
)*
)?
}
@ -246,6 +246,26 @@ macro_rules! impl_payload {
}
}
};
(@setter_opt $Method:ident $field:ident : $FTy:ty [collect]) => {
calculated_doc! {
#[doc = concat!(
"Setter for [`",
stringify!($field),
"`](",
stringify!($Method),
"::",
stringify!($field),
") field."
)]
fn $field<T>(mut self, value: T) -> Self
where
T: ::core::iter::IntoIterator<Item = <$FTy as ::core::iter::IntoIterator>::Item>,
{
self.payload_mut().$field = Some(value.into_iter().collect());
self
}
}
};
(@setter_opt $Method:ident $field:ident : $FTy:ty) => {
calculated_doc! {
#[doc = concat!(
@ -283,6 +303,26 @@ macro_rules! impl_payload {
}
}
};
(@setter $Method:ident $field:ident : $FTy:ty [collect]) => {
calculated_doc! {
#[doc = concat!(
"Setter for [`",
stringify!($field),
"`](",
stringify!($Method),
"::",
stringify!($field),
") field."
)]
fn $field<T>(mut self, value: T) -> Self
where
T: ::core::iter::IntoIterator<Item = <$FTy as ::core::iter::IntoIterator>::Item>,
{
self.payload_mut().$field = value.into_iter().collect();
self
}
}
};
(@setter $Method:ident $field:ident : $FTy:ty) => {
calculated_doc! {
#[doc = concat!(
@ -300,10 +340,22 @@ macro_rules! impl_payload {
}
}
};
(@into? $T:ty [into]) => {
(@convert? $T:ty [into]) => {
impl ::core::convert::Into<$T>
};
(@into? $T:ty) => {
(@convert? $T:ty [collect]) => {
impl ::core::iter::IntoIterator<Item = <$T as ::core::iter::IntoIterator>::Item>
};
(@convert? $T:ty) => {
$T
};
(@convert_map ($e:expr) [into]) => {
$e.into()
};
(@convert_map ($e:expr) [collect]) => {
$e.into_iter().collect()
};
(@convert_map ($e:expr)) => {
$e
};
}