October 2018
Beginner
180 pages
4h 48m
English
Content preview from Rust Quick Start Guide
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BitOrAssign
The BitOrAssign trait enables the |= operator for data types that implement it.
Implementing BitOrAssign looks like this:
pub enum BitExample { Yes, No,}impl BitOrAssign for BitExample { fn bitor_assign(&mut self, other: BitExample) { *self = match (&self, other) { (BitExample::Yes, BitExample::Yes) => BitExample::Yes, (BitExample::No, BitExample::Yes) => BitExample::Yes, (BitExample::Yes, BitExample::No) => BitExample::Yes, (BitExample::No, BitExample::No) => BitExample::No, }; }}
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