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Delete Decoder::read_enum
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parent
60b71f56e7
commit
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@ -73,20 +73,15 @@ fn decodable_body(
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variants.len()
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);
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quote! {
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::rustc_serialize::Decoder::read_enum(
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::rustc_serialize::Decoder::read_enum_variant(
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__decoder,
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|__decoder| {
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::rustc_serialize::Decoder::read_enum_variant(
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__decoder,
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&[#names],
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|__decoder, __variant_idx| {
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match __variant_idx {
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#match_inner
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_ => panic!(#message),
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}
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})
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}
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)
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&[#names],
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|__decoder, __variant_idx| {
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match __variant_idx {
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#match_inner
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_ => panic!(#message),
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}
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})
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}
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}
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};
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@ -201,15 +201,6 @@ pub trait Decoder {
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fn read_str(&mut self) -> Cow<'_, str>;
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fn read_raw_bytes_into(&mut self, s: &mut [u8]);
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// Compound types:
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#[inline]
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fn read_enum<T, F>(&mut self, f: F) -> T
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where
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F: FnOnce(&mut Self) -> T,
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{
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f(self)
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}
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#[inline]
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fn read_enum_variant<T, F>(&mut self, _names: &[&str], mut f: F) -> T
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where
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@ -264,12 +255,10 @@ pub trait Decoder {
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where
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F: FnMut(&mut Self, bool) -> T,
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{
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self.read_enum(move |this| {
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this.read_enum_variant(&["None", "Some"], move |this, idx| match idx {
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0 => f(this, false),
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1 => f(this, true),
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_ => panic!("read_option: expected 0 for None or 1 for Some"),
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})
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self.read_enum_variant(&["None", "Some"], move |this, idx| match idx {
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0 => f(this, false),
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1 => f(this, true),
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_ => panic!("read_option: expected 0 for None or 1 for Some"),
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})
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}
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@ -582,12 +571,10 @@ impl<S: Encoder, T1: Encodable<S>, T2: Encodable<S>> Encodable<S> for Result<T1,
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impl<D: Decoder, T1: Decodable<D>, T2: Decodable<D>> Decodable<D> for Result<T1, T2> {
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fn decode(d: &mut D) -> Result<T1, T2> {
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d.read_enum(|d| {
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d.read_enum_variant(&["Ok", "Err"], |d, disr| match disr {
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0 => Ok(d.read_enum_variant_arg(|d| T1::decode(d))),
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1 => Err(d.read_enum_variant_arg(|d| T2::decode(d))),
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_ => panic!("Encountered invalid discriminant while decoding `Result`."),
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})
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d.read_enum_variant(&["Ok", "Err"], |d, disr| match disr {
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0 => Ok(d.read_enum_variant_arg(|d| T1::decode(d))),
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1 => Err(d.read_enum_variant_arg(|d| T2::decode(d))),
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_ => panic!("Encountered invalid discriminant while decoding `Result`."),
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})
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}
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}
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