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Implement interior null checking in `.to_c_str()`, among other changes.
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Retry of PR #8471
Replace the remaining functions marked for issue #8228 with similar functions that are iterator-based.
Change `either::{lefts, rights}` to be iterator-filtering instead of returning a vector.
Replace `map_vec`, `map_vec2`, `iter_vec2` in std::result with three functions:
* `result::collect` gathers `Iterator<Result<V, U>>` to `Result<~[V], U>`
* `result::fold` folds `Iterator<Result<T, E>>` to `Result<V, E>`
* `result::fold_` folds `Iterator<Result<T, E>>` to `Result<(), E>`
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r? @brson
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This allows the internal implementation details of the TLS keys to be
changed without requiring the update of all the users. (Or, applying
changes that have to be applied for the keys to work correctly, e.g.
forcing LLVM to not merge these constants.)
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These are obsoleted by the generic iterator `zip` adaptor. Unlike
these, it does not clone the elements or allocate a new vector by
default.
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replaced by iterators (generic composable `map` and `zip` adaptors)
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Closes #3907
Closes #5493
Closes #4464
Closes #4759
Closes #5666
Closes #5884
Closes #5926
Closes #6318
Closes #6557
Closes #6898
Closes #6919
Closes #7222
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r? @thestinger
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killing.
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Fixes #7722
I had a couple of queries:
- Should this return an array or an iterator?
- Should this be a method on iterators or on the rng? I implemented it in RngUtils as it seemed to belong with shuffle().
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If they are on the trait then it is extremely annoying to use them as
generic parameters to a function, e.g. with the iterator param on the trait
itself, if one was to pass an Extendable<int> to a function that filled it
either from a Range or a Map<VecIterator>, one needs to write something
like:
fn foo<E: Extendable<int, Range<int>> +
Extendable<int, Map<&'self int, int, VecIterator<int>>>
(e: &mut E, ...) { ... }
since using a generic, i.e. `foo<E: Extendable<int, I>, I: Iterator<int>>`
means that `foo` takes 2 type parameters, and the caller has to specify them
(which doesn't work anyway, as they'll mismatch with the iterators used in
`foo` itself).
This patch changes it to:
fn foo<E: Extendable<int>>(e: &mut E, ...) { ... }
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.with_c_str() is a replacement for the old .as_c_str(), to avoid
unnecessary boilerplate.
Replace all usages of .to_c_str().with_ref() with .with_c_str().
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Previous dicussions about CString suggested that interior nulls should
throw an error. This was never implemented. Add this now, using a
condition (named null_byte) to allow for recovery.
Add method .to_c_str_unchecked() that skips this check.
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CString.unwrap() drops ownership of the buffer on the floor. Put this in
the docs.
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Replace these with three functions based on iterators: collect, fold,
and fold_. The mapping part is replaced by iterator .map(), so the part
that these functions do is to accumulate the final Result<,> value.
* `result::collect` gathers `Iterator<Result<V, U>>` to `Result<~[V], U>`
* `result::fold` folds `Iterator<Result<T, E>>` to `Result<V, E>`
* `result::fold_` folds `Iterator<Result<T, E>>` to `Result<(), E>`
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Remove the only use of either::partition since it was better
accomplished with vector methods.
Update either::partition so that it sizes the vectors correctly before
it starts.
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This is a workaround for #8498
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- Methodyfied the string ascii extionsion functions - They got added recently, I wrapped them in a trait.
- Added `into_owned()` method for vectors - similar to `Str`'s `into_owned()` function, allows to convert to a owned vector without making a copy if the source is a owned vector.
- Added `or_some` method to option - similar to `unwrap_or_default`, but keeps the values wrapped in an `Option`. Useful for `Option` chains, eg Iterator impls.
- Added `DoubleEndedIterator` impl to `Option` - Just for compatibility with generic Iterator functions.
- Renamed nil.rs to unit.rs - the type got renamed ages ago, it's time the source file is as well.
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If they are on the trait then it is extremely annoying to use them as
generic parameters to a function, e.g. with the iterator param on the trait
itself, if one was to pass an Extendable<int> to a function that filled it
either from a Range or a Map<VecIterator>, one needs to write something
like:
fn foo<E: Extendable<int, Range<int>> +
Extendable<int, Map<&'self int, int, VecIterator<int>>>
(e: &mut E, ...) { ... }
since using a generic, i.e. `foo<E: Extendable<int, I>, I: Iterator<int>>`
means that `foo` takes 2 type parameters, and the caller has to specify them
(which doesn't work anyway, as they'll mismatch with the iterators used in
`foo` itself).
This patch changes it to:
fn foo<E: Extendable<int>>(e: &mut E, ...) { ... }
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Added into_owned() method for vectors
Added DoubleEnded Iterator impl to Option
Renamed nil.rs to unit.rs
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Closes #5581.
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This includes a number of improvements to `ifmt!`
* Implements formatting arguments -- `{:0.5x}` works now
* Formatting now works on all integer widths, not just `int` and `uint`
* Added a large doc block to `std::fmt` which should help explain what `ifmt!` is all about
* Added floating point formatters, although they have the same pitfalls from before (they're just proof-of-concept now)
Closed a couple of issues along the way, yay! Once this gets into a snapshot, I'll start looking into removing all of `fmt`
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Currently the work just the same as the old `extfmt` versions
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Servo needs to tell SpiderMonkey about the stack bounds.
r? @brson
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Fixes #8478.
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Closes #5495
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Each commit is pretty much what it says on the tin. r anybody.
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I did this once but acciddentally undid it in a later patch.
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Closes #5495
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Closes #1653
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Closes #1651
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I did this once but acciddentally undid it in a later patch.
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