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Correct the reference with regards to floats

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Fixes #19595.
This commit is contained in:
Steve Klabnik 2014-12-07 07:30:15 -05:00
parent f7d18b92f8
commit 131f20279e
1 changed files with 11 additions and 7 deletions
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src/doc/reference.md
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@ -496,9 +496,8 @@ Examples of integer literals of various forms:
A _floating-point literal_ has one of two forms:
* Two _decimal literals_ separated by a period
character `U+002E` (`.`), with an optional _exponent_ trailing after the
second decimal literal.
* A _decimal literal_ followed by a period character `U+002E` (`.`). This is
optionally followed by another decimal literal, with an optional _exponent_.
* A single _decimal literal_ followed by an _exponent_.
By default, a floating-point literal has a generic type, and, like integer
@ -513,8 +512,13 @@ Examples of floating-point literals of various forms:
0.1f64; // type f64
0.1f32; // type f32
12E+99_f64; // type f64
let x: f64 = 2.; // type f64
```
This last example is different because it is not possible to use the suffix
syntax with a floating point literal ending in a period. `2.f64` would attempt
to call a method named `f64` on `2`.
##### Boolean literals
The two values of the boolean type are written `true` and `false`.