11 lines
300 B
Rust
11 lines
300 B
Rust
pub(crate) fn bitmask(n: u64) -> u64 {
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(1 << n) - 1
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}
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pub(crate) fn next_sn_bits(field: u64, n: u32, offset: u32) -> u64 {
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(field >> offset) & ((1u64 << n) - 1)
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}
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pub(crate) fn by_dword(n: &[u8]) -> u32 {
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(n[0] as u32) | (n[1] as u32) << 8 | (n[2] as u32) << 16 | (n[3] as u32) << 24
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}
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