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Do not run the code when results are not used

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Mingun 2023-05-19 22:55:14 +05:00
parent 089aae1292
commit f709fc05b0
1 changed files with 15 additions and 15 deletions
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30
serde_derive/src/de.rs
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@ -2281,21 +2281,6 @@ fn deserialize_identifier(
&fallthrough_arm_tokens
};
let u64_fallthrough_arm_tokens;
let u64_fallthrough_arm = if let Some(fallthrough) = &fallthrough {
fallthrough
} else {
let index_expecting = if is_variant { "variant" } else { "field" };
let fallthrough_msg = format!("{} index 0 <= i < {}", index_expecting, fields.len());
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 visit_other = if collect_other_fields {
quote! {
fn visit_bool<__E>(self, __value: bool) -> _serde::__private::Result<Self::Value, __E>
@ -2395,6 +2380,21 @@ fn deserialize_identifier(
quote!(#i => _serde::__private::Ok(#this_value::#ident))
});
let u64_fallthrough_arm_tokens;
let u64_fallthrough_arm = if let Some(fallthrough) = &fallthrough {
fallthrough
} else {
let index_expecting = if is_variant { "variant" } else { "field" };
let fallthrough_msg = format!("{} index 0 <= i < {}", index_expecting, fields.len());
u64_fallthrough_arm_tokens = quote! {
_serde::__private::Err(_serde::de::Error::invalid_value(
_serde::de::Unexpected::Unsigned(__value),
&#fallthrough_msg,
))
};
&u64_fallthrough_arm_tokens
};
quote! {
fn visit_u64<__E>(self, __value: u64) -> _serde::__private::Result<Self::Value, __E>
where