From 39efe3c82b75b47817772ab98dd7778a3d1e5562 Mon Sep 17 00:00:00 2001 From: Ivan Petkov Date: Sun, 22 Jun 2014 23:45:45 -0700 Subject: [PATCH] Docs: tutorial: Remove a couple references to `~T` --- src/doc/tutorial.md | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/src/doc/tutorial.md b/src/doc/tutorial.md index e6d9cef7a31..67a153a6584 100644 --- a/src/doc/tutorial.md +++ b/src/doc/tutorial.md @@ -2522,7 +2522,7 @@ fn sendable_foo(f: Box) { /* ... */ } fn shareable_bar(b: &Bar + Share) { /* ... */ } ~~~ -When no colon is specified (such as the type `~Foo`), it is inferred that the +When no colon is specified (such as the type `Box`), it is inferred that the value ascribes to no bounds. They must be added manually if any bounds are necessary for usage. @@ -2579,7 +2579,7 @@ fn radius_times_area(c: T) -> f64 { Likewise, supertrait methods may also be called on trait objects. -~~~ {.ignore} +~~~ use std::f64::consts::PI; # trait Shape { fn area(&self) -> f64; } # trait Circle : Shape { fn radius(&self) -> f64; } @@ -2587,9 +2587,10 @@ use std::f64::consts::PI; # struct CircleStruct { center: Point, radius: f64 } # impl Circle for CircleStruct { fn radius(&self) -> f64 { (self.area() / PI).sqrt() } } # impl Shape for CircleStruct { fn area(&self) -> f64 { PI * square(self.radius) } } +# fn square(x: f64) -> f64 { x * x } -let concrete = ~CircleStruct{center:Point{x:3.0,y:4.0},radius:5.0}; -let mycircle: ~Circle = concrete as ~Circle; +let concrete = box CircleStruct{center:Point{x:3.0,y:4.0},radius:5.0}; +let mycircle: Box = concrete as Box; let nonsense = mycircle.radius() * mycircle.area(); ~~~