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20 lines
433 B
20 lines
433 B
/// Return whether i has this flag set.
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///
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/// The flag value can be a combination of several flags, the function
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/// will return i has all the flags combined.
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pub fn has_flag(i: u8, flag: u8) -> bool {
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i & flag == flag
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}
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#[cfg(test)]
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mod test {
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use super::*;
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#[test]
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fn test_has_flag() {
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assert!(has_flag(0x0, 0x0));
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assert!(has_flag(0x80, 0x80));
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assert!(!has_flag(0x80, 0x40));
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}
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}
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