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Rollup merge of #39373 - Mark-Simulacrum:remove-toprimitive, r=aturon

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Remove ToPrimitive trait.

It is no longer used.
This commit is contained in:
Guillaume Gomez 2017-02-02 22:22:24 +01:00 committed by GitHub
commit a768827c24
2 changed files with 0 additions and 99 deletions
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1
src/librustc/lib.rs
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@ -109,7 +109,6 @@ pub mod util {
pub mod common;
pub mod ppaux;
pub mod nodemap;
pub mod num;
pub mod fs;
}

98
src/librustc/util/num.rs
View File

@ -1,98 +0,0 @@
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
pub trait ToPrimitive {
fn to_i8(&self) -> Option<i8>;
fn to_i16(&self) -> Option<i16>;
fn to_i32(&self) -> Option<i32>;
fn to_i64(&self) -> Option<i64>;
fn to_u8(&self) -> Option<u8>;
fn to_u16(&self) -> Option<u16>;
fn to_u32(&self) -> Option<u32>;
fn to_u64(&self) -> Option<u64>;
}
impl ToPrimitive for i64 {
fn to_i8(&self) -> Option<i8> {
if *self < i8::min_value() as i64 || *self > i8::max_value() as i64 {
None
} else {
Some(*self as i8)
}
}
fn to_i16(&self) -> Option<i16> {
if *self < i16::min_value() as i64 || *self > i16::max_value() as i64 {
None
} else {
Some(*self as i16)
}
}
fn to_i32(&self) -> Option<i32> {
if *self < i32::min_value() as i64 || *self > i32::max_value() as i64 {
None
} else {
Some(*self as i32)
}
}
fn to_i64(&self) -> Option<i64> {
Some(*self)
}
fn to_u8(&self) -> Option<u8> {
if *self < 0 || *self > u8::max_value() as i64 {
None
} else {
Some(*self as u8)
}
}
fn to_u16(&self) -> Option<u16> {
if *self < 0 || *self > u16::max_value() as i64 {
None
} else {
Some(*self as u16)
}
}
fn to_u32(&self) -> Option<u32> {
if *self < 0 || *self > u32::max_value() as i64 {
None
} else {
Some(*self as u32)
}
}
fn to_u64(&self) -> Option<u64> {
if *self < 0 {None} else {Some(*self as u64)}
}
}
impl ToPrimitive for u64 {
fn to_i8(&self) -> Option<i8> {
if *self > i8::max_value() as u64 {None} else {Some(*self as i8)}
}
fn to_i16(&self) -> Option<i16> {
if *self > i16::max_value() as u64 {None} else {Some(*self as i16)}
}
fn to_i32(&self) -> Option<i32> {
if *self > i32::max_value() as u64 {None} else {Some(*self as i32)}
}
fn to_i64(&self) -> Option<i64> {
if *self > i64::max_value() as u64 {None} else {Some(*self as i64)}
}
fn to_u8(&self) -> Option<u8> {
if *self > u8::max_value() as u64 {None} else {Some(*self as u8)}
}
fn to_u16(&self) -> Option<u16> {
if *self > u16::max_value() as u64 {None} else {Some(*self as u16)}
}
fn to_u32(&self) -> Option<u32> {
if *self > u32::max_value() as u64 {None} else {Some(*self as u32)}
}
fn to_u64(&self) -> Option<u64> {
Some(*self)
}
}