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fail!() used to require owned strings but can handle static strings
now. Also, it can pass its arguments to fmt!() on its own, no need for
the caller to call fmt!() itself.
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r=graydon
@brson: r? [please ignore the other one that was accidentally based off master due to back-button-bugs in github.com]
My goal is to resolve the question of whether we want to encourage (by example) consistent use of pub to make identifiers publicly-accessible, even in syntax extensions. (If people don't want that, then we can just let this pull request die.)
This is part one of two. Part two, whose contents should be clear from the FIXME's in this commit, would land after this gets incorporated into a snapshot.
(The eventual goal is to address issue #6009 , which was implied by my choice of branch name, but not mentioned in the pull request, so github did not notice it.)
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Conflicts:
src/libcore/core.rc
src/libcore/hashmap.rs
src/libcore/num/f32.rs
src/libcore/num/f64.rs
src/libcore/num/float.rs
src/libcore/num/int-template.rs
src/libcore/num/num.rs
src/libcore/num/strconv.rs
src/libcore/num/uint-template.rs
src/libcore/ops.rs
src/libcore/os.rs
src/libcore/prelude.rs
src/libcore/rt/mod.rs
src/libcore/unstable/lang.rs
src/librustc/driver/session.rs
src/librustc/middle/astencode.rs
src/librustc/middle/borrowck/check_loans.rs
src/librustc/middle/borrowck/gather_loans.rs
src/librustc/middle/borrowck/loan.rs
src/librustc/middle/borrowck/preserve.rs
src/librustc/middle/liveness.rs
src/librustc/middle/mem_categorization.rs
src/librustc/middle/region.rs
src/librustc/middle/trans/base.rs
src/librustc/middle/trans/inline.rs
src/librustc/middle/trans/reachable.rs
src/librustc/middle/typeck/check/_match.rs
src/librustc/middle/typeck/check/regionck.rs
src/librustc/util/ppaux.rs
src/libstd/arena.rs
src/libstd/ebml.rs
src/libstd/json.rs
src/libstd/serialize.rs
src/libstd/std.rc
src/libsyntax/ast_map.rs
src/libsyntax/parse/parser.rs
src/test/compile-fail/borrowck-uniq-via-box.rs
src/test/compile-fail/regions-infer-borrow-scope-within-loop.rs
src/test/run-pass/borrowck-nested-calls.rs
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Conflicts:
mk/rt.mk
src/libcore/run.rs
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Conflicts:
src/libcore/task/local_data_priv.rs
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like format list.
Unwinding through macros now happens as a call to the trait function `FailWithCause::fail_with()`, which consumes self, allowing to use a more generic failure object in the future.
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This also reverts some changes to TLS that were leaking memory.
Conflicts:
src/libcore/rt/uv/net.rs
src/libcore/task/local_data_priv.rs
src/libcore/unstable/lang.rs
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core/std/syntax/rustc
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the assert_eq! macro compares its arguments and fails if they're not
equal. It's more informative than fail_unless!, because it explicitly
writes the given and expected arguments on failure.
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We can't quite remove logging from the language, but this hides the
keyword.
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r?
`log` can polymorphically log anything, but debug!, etc. requires a format string. With this patch you can equivalently write `debug!(foo)` or `debug!("%?", foo)`.
I'm doing this because I was trying to remove `log` (replacing it with nothing, at least temporarily), but there are a number of logging statements that just want to print an arbitrary value and don't care about the format string.
I'm not entirely convinced this is a good change, since it overloads the implementation of these macros and makes their usage slightly more nuanced.
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The one thing `log` can still do is polymorphically log anything,
but debug!, etc. require a format string. With this patch
you can equivalently write `debug!(foo)` or `debug!("%?", foo)`
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are currently inferred. New rules are coming that will require
them to be explicit. All add some explicit self declarations.
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Macro invocations with path separators (e.g. foo::bar!()) now produce a sensible error message, rather than an assertion failure. Also added compile-fail test case.
Fixes #5218 ?
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Also touch up use of 'pub' and move some tests around so the tested functions
don't have to be 'pub'
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Macro scope is now delimited by function, block, and module boundaries,
except for modules that are marked with #[macro_escape], which allows
macros to escape.
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