Update error message on compile
Single curly braces instead of double are being used
Add example of estimating pi using Monte Carlo simulation to std::rand
Add division by zero case to the `CheckedDiv` comment
Remove the dist function; it is more efficient to compare squared distances
Guide: patterns.

Fixes #4417.
Guide: iterators
Guide: array subscript notation
libcore: Get rid of useless mem::forget wrapper.
Change how libgetopts handles options grouped together

As soon as an option is found that takes an argument, consume the rest
of the string and store it into i_arg. Previously this would only happen
if the character after the option was not a recognized option.

Addresses issue #16348
Add new keywords (particularly `where` & `virtual`) to editor modes.
Fix an error in a code sample in bitv.rs
auto merge of #16547 : huonw/rust/new-kw, r=pcwalton
Make BigUint and BigInt Hash, fixes #16551
auto merge of #16550 : kaseyc/rust/fix_documentation_error, r=alexcrichton
rustdoc: Fix and improve line break hints with the <wbr> tag

Prevents zero-width spaces from appearing in copy-pasted paths.

Puts line breaks after `::`.

Fixes #16555
auto merge of #16558 : Gankro/rust/hashbig, r=pcwalton

Pretty self-explanatory. Only annoying thing is that it *seems* that I had to add `#![feature(default_type_params)]` to libnum because of Hasher. Don't know if there's a way around that.

Fix #16551
Fix type checking of struct fields in patterns of type ty_err

Fixes #16338.
Fixed #16401.
Changed the sample command in the Rustdoc readme to use --output instead of the outdated --output-dir and
fixed markdown formatting in debuginfo.rs
auto merge of #16554 : jakub-/rust/struct-pat-fields-ty-err, r=pcwalton

Fixes #16338.
Fixed #16401.