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Document MapAccess misuse

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David Tolnay
2017-04-15 12:36:43 -07:00
parent c13a37d4db
commit e0c040a3a2
1 changed files with 10 additions and 0 deletions
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serde/src/de/mod.rs
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@@ -1498,6 +1498,11 @@ pub trait MapAccess<'de> {
///
/// `Deserialize` implementations should typically use
/// `MapAccess::next_value` instead.
///
/// # Panics
///
/// Calling `next_value_seed` before `next_key_seed` is incorrect and is
/// allowed to panic or return bogus results.
fn next_value_seed<V>(&mut self, seed: V) -> Result<V::Value, Self::Error>
where
V: DeserializeSeed<'de>;
@@ -1546,6 +1551,11 @@ pub trait MapAccess<'de> {
///
/// This method exists as a convenience for `Deserialize` implementations.
/// `MapAccess` implementations should not override the default behavior.
///
/// # Panics
///
/// Calling `next_value` before `next_key` is incorrect and is allowed to
/// panic or return bogus results.
#[inline]
fn next_value<V>(&mut self) -> Result<V, Self::Error>
where