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Invert all build.rs cfgs

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This allows non-Cargo builds to generally not get involved in cfgs. As
long as one is using a reasonably recent toolchain, no cfgs need to be
set and you'll get a fully-featured build.
This commit is contained in:
David Tolnay
2022-01-01 20:37:51 -08:00
parent 7af97c66b8
commit 55a7cedd73
8 changed files with 104 additions and 99 deletions
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serde/src/ser/mod.rs
+4 -4
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@@ -1280,13 +1280,13 @@ pub trait Serializer: Sized {
let iter = iter.into_iter();
let mut serializer = try!(self.serialize_seq(iterator_len_hint(&iter)));
#[cfg(iterator_try_fold)]
#[cfg(not(no_iterator_try_fold))]
{
let mut iter = iter;
try!(iter.try_for_each(|item| serializer.serialize_element(&item)));
}
#[cfg(not(iterator_try_fold))]
#[cfg(no_iterator_try_fold)]
{
for item in iter {
try!(serializer.serialize_element(&item));
@@ -1331,13 +1331,13 @@ pub trait Serializer: Sized {
let iter = iter.into_iter();
let mut serializer = try!(self.serialize_map(iterator_len_hint(&iter)));
#[cfg(iterator_try_fold)]
#[cfg(not(no_iterator_try_fold))]
{
let mut iter = iter;
try!(iter.try_for_each(|(key, value)| serializer.serialize_entry(&key, &value)));
}
#[cfg(not(iterator_try_fold))]
#[cfg(no_iterator_try_fold)]
{
for (key, value) in iter {
try!(serializer.serialize_entry(&key, &value));