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Rollup merge of #22748 - jxcl:string-backslash, r=steveklabnik

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r? @steveklabnik

Closes #22698

I wasn't sure that this was appropriate for the book, but I've added this to the reference. I also noticed that one of the U+ symbols in the character literals section was missing the graves.
This commit is contained in:
Manish Goregaokar 2015-02-27 11:43:24 +05:30
commit 08c25f37df
1 changed files with 14 additions and 1 deletions
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15
src/doc/reference.md
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@ -302,7 +302,7 @@ nonzero_dec: '1' | '2' | '3' | '4'
A _character literal_ is a single Unicode character enclosed within two
`U+0027` (single-quote) characters, with the exception of `U+0027` itself,
which must be _escaped_ by a preceding U+005C character (`\`).
which must be _escaped_ by a preceding `U+005C` character (`\`).
##### String literals
@ -311,6 +311,19 @@ A _string literal_ is a sequence of any Unicode characters enclosed within two
which must be _escaped_ by a preceding `U+005C` character (`\`), or a _raw
string literal_.
A multi-line string literal may be defined by terminating each line with a
`U+005C` character (`\`) immediately before the newline. This causes the
`U+005C` character, the newline, and all whitespace at the beginning of the
next line to be ignored.
```rust
let a = "foobar";
let b = "foo\
bar";
assert_eq!(a,b);
```
##### Character escapes
Some additional _escapes_ are available in either character or non-raw string