Remove multiline `use`s

library/core/src/iter/adapters/chain.rs

@@ -1,8 +1,5 @@
-use crate::{
-    iter::{DoubleEndedIterator, FusedIterator, Iterator, TrustedLen},
-    ops::Try,
-    usize,
-};
+use crate::iter::{DoubleEndedIterator, FusedIterator, Iterator, TrustedLen};
+use crate::{ops::Try, usize};
 
 /// An iterator that links two iterators together, in a chain.
 ///

library/core/src/iter/adapters/cloned.rs

@@ -1,9 +1,6 @@
-use crate::{
-    iter::{
-        adapters::zip::try_get_unchecked, adapters::TrustedRandomAccess, FusedIterator, TrustedLen,
-    },
-    ops::Try,
-};
+use crate::iter::adapters::{zip::try_get_unchecked, TrustedRandomAccess};
+use crate::iter::{FusedIterator, TrustedLen};
+use crate::ops::Try;
 
 /// An iterator that clones the elements of an underlying iterator.
 ///

library/core/src/iter/adapters/copied.rs

@@ -1,9 +1,6 @@
-use crate::{
-    iter::{
-        adapters::zip::try_get_unchecked, adapters::TrustedRandomAccess, FusedIterator, TrustedLen,
-    },
-    ops::Try,
-};
+use crate::iter::adapters::{zip::try_get_unchecked, TrustedRandomAccess};
+use crate::iter::{FusedIterator, TrustedLen};
+use crate::ops::Try;
 
 /// An iterator that copies the elements of an underlying iterator.
 ///

library/core/src/iter/adapters/enumerate.rs

@@ -1,10 +1,6 @@
-use crate::{
-    iter::{
-        adapters::{zip::try_get_unchecked, SourceIter, TrustedRandomAccess},
-        FusedIterator, InPlaceIterable, TrustedLen,
-    },
-    ops::{Add, AddAssign, Try},
-};
+use crate::iter::adapters::{zip::try_get_unchecked, SourceIter, TrustedRandomAccess};
+use crate::iter::{FusedIterator, InPlaceIterable, TrustedLen};
+use crate::ops::{Add, AddAssign, Try};
 
 /// An iterator that yields the current count and the element during iteration.
 ///

library/core/src/iter/adapters/filter.rs

@@ -1,8 +1,6 @@
-use crate::{
-    fmt,
-    iter::{adapters::SourceIter, FusedIterator, InPlaceIterable},
-    ops::Try,
-};
+use crate::fmt;
+use crate::iter::{adapters::SourceIter, FusedIterator, InPlaceIterable};
+use crate::ops::Try;
 
 /// An iterator that filters the elements of `iter` with `predicate`.
 ///

library/core/src/iter/adapters/filter_map.rs

@@ -1,9 +1,6 @@
-use crate::{
-    fmt,
-    iter::{adapters::SourceIter, FusedIterator, InPlaceIterable},
-    ops::ControlFlow,
-    ops::Try,
-};
+use crate::fmt;
+use crate::iter::{adapters::SourceIter, FusedIterator, InPlaceIterable};
+use crate::ops::{ControlFlow, Try};
 
 /// An iterator that uses `f` to both filter and map elements from `iter`.
 ///

library/core/src/iter/adapters/flatten.rs

@@ -1,8 +1,6 @@
-use crate::{
-    fmt,
-    iter::{DoubleEndedIterator, Fuse, FusedIterator, Iterator, Map},
-    ops::Try,
-};
+use crate::fmt;
+use crate::iter::{DoubleEndedIterator, Fuse, FusedIterator, Iterator, Map};
+use crate::ops::Try;
 
 /// An iterator that maps each element to an iterator, and yields the elements
 /// of the produced iterators.

library/core/src/iter/adapters/fuse.rs

@@ -1,11 +1,7 @@
-use crate::{
-    intrinsics,
-    iter::{
-        adapters::{zip::try_get_unchecked, InPlaceIterable, SourceIter},
-        DoubleEndedIterator, ExactSizeIterator, FusedIterator, Iterator, TrustedRandomAccess,
-    },
-    ops::Try,
-};
+use crate::intrinsics;
+use crate::iter::adapters::{zip::try_get_unchecked, InPlaceIterable, SourceIter};
+use crate::iter::{DoubleEndedIterator, ExactSizeIterator, FusedIterator, TrustedRandomAccess};
+use crate::ops::Try;
 
 /// An iterator that yields `None` forever after the underlying iterator
 /// yields `None` once.

library/core/src/iter/adapters/inspect.rs

@@ -1,8 +1,6 @@
-use crate::{
-    fmt,
-    iter::{adapters::SourceIter, FusedIterator, InPlaceIterable},
-    ops::Try,
-};
+use crate::fmt;
+use crate::iter::{adapters::SourceIter, FusedIterator, InPlaceIterable};
+use crate::ops::Try;
 
 /// An iterator that calls a function with a reference to each element before
 /// yielding it.

library/core/src/iter/adapters/map.rs

@@ -1,11 +1,7 @@
-use crate::{
-    fmt,
-    iter::{
-        adapters::{zip::try_get_unchecked, SourceIter, TrustedRandomAccess},
-        FusedIterator, InPlaceIterable, TrustedLen,
-    },
-    ops::Try,
-};
+use crate::fmt;
+use crate::iter::adapters::{zip::try_get_unchecked, SourceIter, TrustedRandomAccess};
+use crate::iter::{FusedIterator, InPlaceIterable, TrustedLen};
+use crate::ops::Try;
 
 /// An iterator that maps the values of `iter` with `f`.
 ///

library/core/src/iter/adapters/map_while.rs

@@ -1,8 +1,6 @@
-use crate::{
-    fmt,
-    iter::{adapters::SourceIter, InPlaceIterable},
-    ops::{ControlFlow, Try},
-};
+use crate::fmt;
+use crate::iter::{adapters::SourceIter, InPlaceIterable};
+use crate::ops::{ControlFlow, Try};
 
 /// An iterator that only accepts elements while `predicate` returns `Some(_)`.
 ///

library/core/src/iter/adapters/mod.rs

@@ -1,7 +1,5 @@
-use crate::{
-    iter::{InPlaceIterable, Iterator},
-    ops::{ControlFlow, Try},
-};
+use crate::iter::{InPlaceIterable, Iterator};
+use crate::ops::{ControlFlow, Try};
 
 mod chain;
 mod cloned;

library/core/src/iter/adapters/peekable.rs

@@ -1,7 +1,5 @@
-use crate::{
-    iter::{adapters::SourceIter, FusedIterator, InPlaceIterable, TrustedLen},
-    ops::Try,
-};
+use crate::iter::{adapters::SourceIter, FusedIterator, InPlaceIterable, TrustedLen};
+use crate::ops::Try;
 
 /// An iterator with a `peek()` that returns an optional reference to the next
 /// element.

library/core/src/iter/adapters/rev.rs

@@ -1,7 +1,5 @@
-use crate::{
-    iter::{FusedIterator, TrustedLen},
-    ops::Try,
-};
+use crate::iter::{FusedIterator, TrustedLen};
+use crate::ops::Try;
 
 /// A double-ended iterator with the direction inverted.
 ///

library/core/src/iter/adapters/scan.rs

@@ -1,8 +1,6 @@
-use crate::{
-    fmt,
-    iter::{adapters::SourceIter, InPlaceIterable},
-    ops::{ControlFlow, Try},
-};
+use crate::fmt;
+use crate::iter::{adapters::SourceIter, InPlaceIterable};
+use crate::ops::{ControlFlow, Try};
 
 /// An iterator to maintain state while iterating another iterator.
 ///

library/core/src/iter/adapters/skip.rs

@@ -1,7 +1,5 @@
-use crate::{
-    iter::{adapters::SourceIter, FusedIterator, InPlaceIterable},
-    ops::{ControlFlow, Try},
-};
+use crate::iter::{adapters::SourceIter, FusedIterator, InPlaceIterable};
+use crate::ops::{ControlFlow, Try};
 
 /// An iterator that skips over `n` elements of `iter`.
 ///

library/core/src/iter/adapters/skip_while.rs

@@ -1,8 +1,6 @@
-use crate::{
-    fmt,
-    iter::{adapters::SourceIter, FusedIterator, InPlaceIterable},
-    ops::Try,
-};
+use crate::fmt;
+use crate::iter::{adapters::SourceIter, FusedIterator, InPlaceIterable};
+use crate::ops::Try;
 
 /// An iterator that rejects elements while `predicate` returns `true`.
 ///

library/core/src/iter/adapters/take.rs

@@ -1,8 +1,6 @@
-use crate::{
-    cmp,
-    iter::{adapters::SourceIter, FusedIterator, InPlaceIterable, TrustedLen},
-    ops::{ControlFlow, Try},
-};
+use crate::cmp;
+use crate::iter::{adapters::SourceIter, FusedIterator, InPlaceIterable, TrustedLen};
+use crate::ops::{ControlFlow, Try};
 
 /// An iterator that only iterates over the first `n` iterations of `iter`.
 ///

library/core/src/iter/adapters/take_while.rs

@@ -1,8 +1,6 @@
-use crate::{
-    fmt,
-    iter::{adapters::SourceIter, FusedIterator, InPlaceIterable},
-    ops::{ControlFlow, Try},
-};
+use crate::fmt;
+use crate::iter::{adapters::SourceIter, FusedIterator, InPlaceIterable};
+use crate::ops::{ControlFlow, Try};
 
 /// An iterator that only accepts elements while `predicate` returns `true`.
 ///

library/core/src/iter/adapters/zip.rs

@@ -1,11 +1,7 @@
-use crate::{
-    cmp,
-    fmt::{self, Debug},
-    iter::{
-        DoubleEndedIterator, ExactSizeIterator, FusedIterator, InPlaceIterable, Iterator,
-        SourceIter, TrustedLen,
-    },
-};
+use crate::cmp;
+use crate::fmt::{self, Debug};
+use crate::iter::{DoubleEndedIterator, ExactSizeIterator, FusedIterator, Iterator};
+use crate::iter::{InPlaceIterable, SourceIter, TrustedLen};
 
 /// An iterator that iterates two other iterators simultaneously.
 ///

library/core/src/iter/sources/empty.rs

@@ -1,8 +1,6 @@
-use crate::{
-    fmt,
-    iter::{FusedIterator, TrustedLen},
-    marker,
-};
+use crate::fmt;
+use crate::iter::{FusedIterator, TrustedLen};
+use crate::marker;
 
 /// Creates an iterator that yields nothing.
 ///