peekWithState

Standalone function for working with a fixed-size buffer.

Function parameters

Parameters

buf:[]const u8
bit_len:usize

Functions in this namespace

Functions

init
deinit
ensureTotalCapacity
push
peek
pop
pushWithStateAssumeCapacity: Standalone function for working with a fixed-size buffer.
peekWithState: Standalone function for working with a fixed-size buffer.
popWithState: Standalone function for working with a fixed-size buffer.

Source

Implementation

pub fn peekWithState(buf: []const u8, bit_len: usize) u1 {
    const byte_index = (bit_len - 1) >> 3;
    const bit_index = @as(u3, @intCast((bit_len - 1) & 7));
    return @as(u1, @intCast((buf[byte_index] >> bit_index) & 1));
}