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experiment with removing state machine from OuterDeserializer

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588ns vs 552ns
This commit is contained in:
Erick Tryzelaar 2014-05-22 07:56:37 -07:00
parent 7808dfc2d4
commit d90f758f66
1 changed files with 21 additions and 2 deletions
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23
de.rs
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@ -1182,14 +1182,22 @@ mod tests {
}
struct OuterDeserializer {
stack: Vec<OuterDeserializerState>,
//stack: Vec<OuterDeserializerState>,
tokens: Vec<Token>,
}
impl OuterDeserializer {
#[inline]
fn new(outer: Outer) -> OuterDeserializer {
OuterDeserializer {
stack: vec!(OuterDeserializerOuterState(outer)),
//stack: vec!(OuterDeserializerOuterState(outer)),
tokens: vec!(
End,
End,
SeqStart(0),
StructField("inner"),
StructStart("Outer")
)
}
}
}
@ -1197,6 +1205,12 @@ mod tests {
impl Iterator<Result<Token, Error>> for OuterDeserializer {
#[inline]
fn next(&mut self) -> Option<Result<Token, Error>> {
match self.tokens.pop() {
Some(token) => Some(Ok(token)),
None => None,
}
/*
match self.stack.pop() {
Some(OuterDeserializerOuterState(Outer { inner })) => {
self.stack.push(OuterDeserializerEndState);
@ -1282,6 +1296,7 @@ mod tests {
}
None => None,
}
*/
}
}
@ -1710,11 +1725,13 @@ mod tests {
let outer = Outer {
inner: vec!(
/*
Inner {
a: (),
b: 5,
c: map,
},
*/
)
};
@ -1733,11 +1750,13 @@ mod tests {
let outer = Outer {
inner: vec!(
/*
Inner {
a: (),
b: 5,
c: map,
},
*/
)
};