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Stop using deriving for types with phantom params

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This commit is contained in:
Steven Fackler 2014-03-08 21:41:31 -08:00
parent 2064ba86ad
commit a8cf28d428
1 changed files with 9 additions and 5 deletions
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14
src/types/range.rs
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@ -1,8 +1,6 @@
//! Types dealing with ranges of values //! Types dealing with ranges of values
#[macro_escape]; #[macro_escape];
extern crate extra;
use std::cmp; use std::cmp;
use std::fmt; use std::fmt;
use std::i32; use std::i32;
@ -141,11 +139,9 @@ trait BoundSided {
} }
/// A tag type representing an upper bound /// A tag type representing an upper bound
#[deriving(Eq,Clone)]
pub enum UpperBound {} pub enum UpperBound {}
/// A tag type representing a lower bound /// A tag type representing a lower bound
#[deriving(Eq,Clone)]
pub enum LowerBound {} pub enum LowerBound {}
impl BoundSided for UpperBound { impl BoundSided for UpperBound {
@ -172,7 +168,6 @@ pub enum BoundType {
/// Represents a one-sided bound. /// Represents a one-sided bound.
/// ///
/// The side is determined by the `S` phantom parameter. /// The side is determined by the `S` phantom parameter.
#[deriving(Clone)]
pub struct RangeBound<S, T> { pub struct RangeBound<S, T> {
/// The value of the bound /// The value of the bound
value: T, value: T,
@ -180,6 +175,15 @@ pub struct RangeBound<S, T> {
type_: BoundType type_: BoundType
} }
impl<S: BoundSided, T: Clone> Clone for RangeBound<S, T> {
fn clone(&self) -> RangeBound<S, T> {
RangeBound {
value: self.value.clone(),
type_: self.type_.clone(),
}
}
}
impl<S: BoundSided, T: fmt::Show> fmt::Show for RangeBound<S, T> { impl<S: BoundSided, T: fmt::Show> fmt::Show for RangeBound<S, T> {
fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
let chars = match self.type_ { let chars = match self.type_ {