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Implement iter::Sum for Sectors and Bytes #33

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Merged
trgill merged 1 commit into from
Apr 25, 2017
Merged

Implement iter::Sum for Sectors and Bytes #33

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15 changes: 14 additions & 1 deletion src/types.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,8 @@ use consts::SECTOR_SIZE;

use std::fmt;
use std::fmt::Display;
use std::ops::{Div, Mul, Rem};
use std::iter::Sum;
use std::ops::{Div, Mul, Rem, Add};

use serde;
// macros for unsigned operations on Sectors and Bytes
Expand Down Expand Up @@ -94,6 +95,12 @@ impl Bytes {
}
}

impl Sum for Bytes {
fn sum<I: Iterator<Item = Bytes>>(iter: I) -> Bytes {
iter.fold(Bytes(0), Add::add)
}
}

unsigned_mul!(u64, Bytes);
unsigned_mul!(u32, Bytes);
unsigned_mul!(u16, Bytes);
Expand Down Expand Up @@ -141,6 +148,12 @@ impl serde::Deserialize for Sectors {
}
}

impl Sum for Sectors {
fn sum<I: Iterator<Item = Sectors>>(iter: I) -> Sectors {
iter.fold(Sectors(0), Add::add)
}
}

unsigned_div!(u64, Sectors);
unsigned_div!(u32, Sectors);
unsigned_div!(u16, Sectors);
Expand Down