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Rollup of 5 pull requests #65604

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Rollup of 5 pull requests #65604

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d0862ec
Inline `ptr::null(_mut)` even in debug builds
tesuji Oct 2, 2019
23cb1d5
Avoid realloc in `CString::new`
sinkuu Oct 18, 2019
d945f98
move parse_cfgspecs to rustc_interface
Centril Oct 11, 2019
7f1ce45
add test for calling non-const fn
RalfJung Oct 19, 2019
38fd74f
show the proper diagnostics
RalfJung Oct 19, 2019
4ea1a19
Remove unneeded `ref` from docs
carols10cents Oct 19, 2019
4d96185
Rollup merge of #64996 - lzutao:inline-ptr-null, r=oli-obk
Centril Oct 19, 2019
c8fb27d
Rollup merge of #65551 - sinkuu:cstring_spec, r=sfackler
Centril Oct 19, 2019
9b5b9b9
Rollup merge of #65593 - RalfJung:non-const-fn, r=oli-obk
Centril Oct 19, 2019
eba24f0
Rollup merge of #65595 - Centril:cfgspecs, r=Mark-Simulacrum
Centril Oct 19, 2019
192f6dc
Rollup merge of #65600 - integer32llc:bye-bye-ref, r=Centril
Centril Oct 19, 2019
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Remove unneeded ref from docs 
Will reduce confusion like in https://users.rust-lang.org/t/help-understanding-the-ref-t-syntax/33779 since match ergonomics means you (almost) never have to say `ref` anymore!
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@carols10cents
carols10cents authored Oct 19, 2019
commit 4ea1a1983e228959c72e3e121c56808160ef795d
4 changes: 2 additions & 2 deletions src/libcore/option.rs
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Expand Up @@ -64,7 +64,7 @@
//!
//! fn check_optional(optional: Option<Box<i32>>) {
//! match optional {
//! Some(ref p) => println!("has value {}", p),
//! Some(p) => println!("has value {}", p),
//! None => println!("has no value"),
//! }
//! }
Expand All @@ -83,7 +83,7 @@
//! let msg = Some("howdy");
//!
//! // Take a reference to the contained string
//! if let Some(ref m) = msg {
//! if let Some(m) = &msg {
//! println!("{}", *m);
//! }
//!
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