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Skip another clone of the fallthrough arm

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This commit is contained in:
David Tolnay 2021-01-23 20:41:43 -08:00
parent 18e5b03fd1
commit e24dbc418d
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GPG Key ID: F9BA143B95FF6D82
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)
};
let fallthrough_arm = if let Some(fallthrough) = fallthrough.clone() {
let fallthrough_arm_tokens;
let fallthrough_arm = if let Some(fallthrough) = &fallthrough {
fallthrough
} else if is_variant {
quote! {
fallthrough_arm_tokens = quote! {
_serde::__private::Err(_serde::de::Error::unknown_variant(__value, VARIANTS))
}
};
&fallthrough_arm_tokens
} else {
quote! {
fallthrough_arm_tokens = quote! {
_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
} else {
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::de::Unexpected::Unsigned(__value),
&#fallthrough_msg,
))
}
};
&u64_fallthrough_arm_tokens
};
let variant_indices = 0_u64..;