s/isize/i32
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@ -159,8 +159,8 @@ pub enum RegionResolutionError<'tcx> {
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/// like to indicate so to the user.
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/// For example, the following function
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/// ```
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/// struct Foo { bar: isize }
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/// fn foo2<'a, 'b>(x: &'a Foo) -> &'b isize {
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/// struct Foo { bar: i32 }
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/// fn foo2<'a, 'b>(x: &'a Foo) -> &'b i32 {
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/// &x.bar
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/// }
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/// ```
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@ -1583,7 +1583,7 @@ fn warn_about_unused(&self,
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let r = self.should_warn(var);
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if let Some(name) = r {
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// annoying: for parameters in funcs like `fn(x: isize)
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// annoying: for parameters in funcs like `fn(x: i32)
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// {ret}`, there is only one node, so asking about
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// assigned_on_exit() is not meaningful.
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let is_assigned = if ln == self.s.exit_ln {
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@ -719,10 +719,10 @@ fn check_if_path_is_moved(&self,
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/// For example:
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///
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/// ```ignore
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/// let a: isize;
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/// let a: i32;
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/// a = 10; // ok, even though a is uninitialized
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///
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/// struct Point { x: usize, y: usize }
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/// struct Point { x: u32, y: u32 }
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/// let p: Point;
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/// p.x = 22; // ok, even though `p` is uninitialized
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///
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@ -486,9 +486,9 @@ pub fn compute_kill_scope(&self, loan_scope: region::CodeExtent, lp: &LoanPath<'
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//! come about when variables of `&mut` type are re-borrowed,
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//! as in this example:
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//!
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//! struct Foo { counter: usize }
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//! struct Foo { counter: u32 }
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//!
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//! fn counter<'a>(v: &'a mut Foo) -> &'a mut usize {
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//! fn counter<'a>(v: &'a mut Foo) -> &'a mut u32 {
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//! &mut v.counter
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//! }
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//!
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@ -66,7 +66,7 @@
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//!
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//! ```
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//! struct List {
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//! value: isize,
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//! value: i32,
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//! tail: Option<Box<List>>,
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//! }
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//! ```
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@ -75,7 +75,7 @@
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//!
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//! ```
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//! describe(t = List)
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//! describe(t = int)
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//! describe(t = i32)
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//! describe(t = Option<Box<List>>)
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//! describe(t = Box<List>)
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//! describe(t = List) // at the beginning again...
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@ -166,7 +166,7 @@
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//!
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//! (3) Tuple-, pointer and function types are structurally identified, which
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//! means that they are equivalent if their component types are equivalent
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//! (i.e. (int, int) is the same regardless in which crate it is used).
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//! (i.e. (i32, i32) is the same regardless in which crate it is used).
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//!
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//! This algorithm also provides a stable ID for types that are defined in one
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//! crate but instantiated from metadata within another crate. We just have to
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@ -182,17 +182,17 @@ pub fn trans_static_method_callee<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>,
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// fn from<U:Foo>(n: U) -> Option<Self>;
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// }
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// ...
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// let f = <Vec<int> as Convert>::from::<String>(...)
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// let f = <Vec<i32> as Convert>::from::<String>(...)
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//
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// Here, in this call, which I've written with explicit UFCS
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// notation, the set of type parameters will be:
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//
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// rcvr_type: [] <-- nothing declared on the trait itself
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// rcvr_self: [Vec<int>] <-- the self type
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// rcvr_self: [Vec<i32>] <-- the self type
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// rcvr_method: [String] <-- method type parameter
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//
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// So we create a trait reference using the first two,
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// basically corresponding to `<Vec<int> as Convert>`.
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// basically corresponding to `<Vec<i32> as Convert>`.
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// The remaining type parameters (`rcvr_method`) will be used below.
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let trait_substs =
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Substs::erased(VecPerParamSpace::new(rcvr_type,
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@ -223,13 +223,13 @@ pub fn trans_static_method_callee<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>,
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// fn from<U:Foo>(n: U) { ... }
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// }
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//
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// Recall that we matched `<Vec<int> as Convert>`. Trait
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// Recall that we matched `<Vec<i32> as Convert>`. Trait
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// resolution will have given us a substitution
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// containing `impl_substs=[[T=int],[],[]]` (the type
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// containing `impl_substs=[[T=i32],[],[]]` (the type
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// parameters defined on the impl). We combine
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// that with the `rcvr_method` from before, which tells us
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// the type parameters from the *method*, to yield
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// `callee_substs=[[T=int],[],[U=String]]`.
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// `callee_substs=[[T=i32],[],[U=String]]`.
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let subst::SeparateVecsPerParamSpace {
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types: impl_type,
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selfs: impl_self,
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@ -456,7 +456,7 @@ fn trans_trait_callee_from_llval<'blk, 'tcx>(bcx: Block<'blk, 'tcx>,
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/// Generate a shim function that allows an object type like `SomeTrait` to
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/// implement the type `SomeTrait`. Imagine a trait definition:
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///
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/// trait SomeTrait { fn get(&self) -> isize; ... }
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/// trait SomeTrait { fn get(&self) -> i32; ... }
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///
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/// And a generic bit of code:
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///
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@ -468,7 +468,7 @@ fn trans_trait_callee_from_llval<'blk, 'tcx>(bcx: Block<'blk, 'tcx>,
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/// What is the value of `x` when `foo` is invoked with `T=SomeTrait`?
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/// The answer is that it is a shim function generated by this routine:
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///
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/// fn shim(t: &SomeTrait) -> isize {
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/// fn shim(t: &SomeTrait) -> i32 {
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/// // ... call t.get() virtually ...
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/// }
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///
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@ -59,9 +59,9 @@
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//! There are a number of troublesome scenarios in the tests
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//! `region-dependent-*.rs`, but here is one example:
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//!
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//! struct Foo { i: isize }
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//! struct Foo { i: i32 }
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//! struct Bar { foo: Foo }
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//! fn get_i(x: &'a Bar) -> &'a int {
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//! fn get_i(x: &'a Bar) -> &'a i32 {
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//! let foo = &x.foo; // Lifetime L1
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//! &foo.i // Lifetime L2
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//! }
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@ -233,8 +233,8 @@ fn set_repeating_scope(&mut self, scope: ast::NodeId) -> ast::NodeId {
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/// Consider this silly example:
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///
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/// ```
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/// fn borrow(x: &int) -> &isize {x}
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/// fn foo(x: @int) -> isize { // block: B
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/// fn borrow(x: &i32) -> &i32 {x}
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/// fn foo(x: @i32) -> i32 { // block: B
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/// let b = borrow(x); // region: <R0>
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/// *b
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/// }
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@ -243,7 +243,7 @@ fn set_repeating_scope(&mut self, scope: ast::NodeId) -> ast::NodeId {
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/// Here, the region of `b` will be `<R0>`. `<R0>` is constrained to be some subregion of the
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/// block B and some superregion of the call. If we forced it now, we'd choose the smaller
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/// region (the call). But that would make the *b illegal. Since we don't resolve, the type
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/// of b will be `&<R0>.isize` and then `*b` will require that `<R0>` be bigger than the let and
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/// of b will be `&<R0>.i32` and then `*b` will require that `<R0>` be bigger than the let and
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/// the `*b` expression, so we will effectively resolve `<R0>` to be the block B.
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pub fn resolve_type(&self, unresolved_ty: Ty<'tcx>) -> Ty<'tcx> {
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self.fcx.infcx().resolve_type_vars_if_possible(&unresolved_ty)
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@ -172,14 +172,14 @@
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//!
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//! Now imagine that I have an implementation of `ConvertTo` for `Object`:
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//!
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//! impl ConvertTo<isize> for Object { ... }
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//! impl ConvertTo<i32> for Object { ... }
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//!
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//! And I want to call `convertAll` on an array of strings. Suppose
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//! further that for whatever reason I specifically supply the value of
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//! `String` for the type parameter `T`:
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//!
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//! let mut vector = vec!["string", ...];
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//! convertAll::<isize, String>(vector);
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//! convertAll::<i32, String>(vector);
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//!
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//! Is this legal? To put another way, can we apply the `impl` for
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//! `Object` to the type `String`? The answer is yes, but to see why
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@ -190,7 +190,7 @@
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//! - It will then call the impl of `convertTo()` that is intended
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//! for use with objects. This has the type:
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//!
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//! fn(self: &Object) -> isize
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//! fn(self: &Object) -> i32
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//!
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//! It is ok to provide a value for `self` of type `&String` because
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//! `&String <: &Object`.
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@ -198,17 +198,17 @@
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//! OK, so intuitively we want this to be legal, so let's bring this back
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//! to variance and see whether we are computing the correct result. We
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//! must first figure out how to phrase the question "is an impl for
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//! `Object,isize` usable where an impl for `String,isize` is expected?"
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//! `Object,i32` usable where an impl for `String,i32` is expected?"
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//!
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//! Maybe it's helpful to think of a dictionary-passing implementation of
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//! type classes. In that case, `convertAll()` takes an implicit parameter
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//! representing the impl. In short, we *have* an impl of type:
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//!
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//! V_O = ConvertTo<isize> for Object
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//! V_O = ConvertTo<i32> for Object
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//!
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//! and the function prototype expects an impl of type:
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//!
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//! V_S = ConvertTo<isize> for String
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//! V_S = ConvertTo<i32> for String
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//!
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//! As with any argument, this is legal if the type of the value given
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//! (`V_O`) is a subtype of the type expected (`V_S`). So is `V_O <: V_S`?
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@ -217,7 +217,7 @@
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//! covariant, it means that:
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//!
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//! V_O <: V_S iff
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//! isize <: isize
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//! i32 <: i32
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//! String <: Object
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//!
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//! These conditions are satisfied and so we are happy.
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