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Skip another clone of the fallthrough arm

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David Tolnay 2021-01-23 20:41:43 -08:00
parent 18e5b03fd1
commit e24dbc418d
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1 changed files with 13 additions and 8 deletions
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21
serde_derive/src/de.rs
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@ -2141,28 +2141,33 @@ fn deserialize_identifier(
(None, None, None, None) (None, None, None, None)
}; };
let fallthrough_arm = if let Some(fallthrough) = fallthrough.clone() { let fallthrough_arm_tokens;
let fallthrough_arm = if let Some(fallthrough) = &fallthrough {
fallthrough fallthrough
} else if is_variant { } else if is_variant {
quote! { fallthrough_arm_tokens = quote! {
_serde::__private::Err(_serde::de::Error::unknown_variant(__value, VARIANTS)) _serde::__private::Err(_serde::de::Error::unknown_variant(__value, VARIANTS))
} };
&fallthrough_arm_tokens
} else { } else {
quote! { fallthrough_arm_tokens = quote! {
_serde::__private::Err(_serde::de::Error::unknown_field(__value, FIELDS)) _serde::__private::Err(_serde::de::Error::unknown_field(__value, FIELDS))
} };
&fallthrough_arm_tokens
}; };
let u64_fallthrough_arm = if let Some(fallthrough) = fallthrough { let u64_fallthrough_arm_tokens;
let u64_fallthrough_arm = if let Some(fallthrough) = &fallthrough {
fallthrough fallthrough
} else { } else {
let fallthrough_msg = format!("{} index 0 <= i < {}", index_expecting, fields.len()); let fallthrough_msg = format!("{} index 0 <= i < {}", index_expecting, fields.len());
quote! { u64_fallthrough_arm_tokens = quote! {
_serde::__private::Err(_serde::de::Error::invalid_value( _serde::__private::Err(_serde::de::Error::invalid_value(
_serde::de::Unexpected::Unsigned(__value), _serde::de::Unexpected::Unsigned(__value),
&#fallthrough_msg, &#fallthrough_msg,
)) ))
} };
&u64_fallthrough_arm_tokens
}; };
let variant_indices = 0_u64..; let variant_indices = 0_u64..;