Change `from` and `to` to `_from` and `_to`
This to avoid warning: unused variable: `from`, #[warn(unused_variable)] on by default.
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@ -692,15 +692,15 @@ pub trait IndexMut<Index, Result> {
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* println!("Slicing!");
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* self
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* }
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* fn slice_from_or_fail<'a>(&'a self, from: &Foo) -> &'a Foo {
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* fn slice_from_or_fail<'a>(&'a self, _from: &Foo) -> &'a Foo {
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* println!("Slicing!");
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* self
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* }
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* fn slice_to_or_fail<'a>(&'a self, to: &Foo) -> &'a Foo {
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* fn slice_to_or_fail<'a>(&'a self, _to: &Foo) -> &'a Foo {
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* println!("Slicing!");
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* self
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* }
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* fn slice_or_fail<'a>(&'a self, from: &Foo, to: &Foo) -> &'a Foo {
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* fn slice_or_fail<'a>(&'a self, _from: &Foo, _to: &Foo) -> &'a Foo {
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* println!("Slicing!");
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* self
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* }
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@ -741,15 +741,15 @@ pub trait Slice<Idx, Sized? Result> for Sized? {
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* println!("Slicing!");
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* self
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* }
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* fn slice_from_or_fail_mut<'a>(&'a mut self, from: &Foo) -> &'a mut Foo {
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* fn slice_from_or_fail_mut<'a>(&'a mut self, _from: &Foo) -> &'a mut Foo {
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* println!("Slicing!");
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* self
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* }
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* fn slice_to_or_fail_mut<'a>(&'a mut self, to: &Foo) -> &'a mut Foo {
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* fn slice_to_or_fail_mut<'a>(&'a mut self, _to: &Foo) -> &'a mut Foo {
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* println!("Slicing!");
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* self
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* }
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* fn slice_or_fail_mut<'a>(&'a mut self, from: &Foo, to: &Foo) -> &'a mut Foo {
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* fn slice_or_fail_mut<'a>(&'a mut self, _from: &Foo, _to: &Foo) -> &'a mut Foo {
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* println!("Slicing!");
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* self
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* }
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