Function collapseRepeatsLen [src]

Collapse consecutive duplicate elements into one entry.

Prototype

pub fn collapseRepeatsLen(comptime T: type, slice: []T, elem: T) usize

Parameters

T: typeslice: []Telem: T

Source

  pub fn collapseRepeatsLen(comptime T: type, slice: []T, elem: T) usize {
    if (slice.len == 0) return 0;
    var write_idx: usize = 1;
    var read_idx: usize = 1;
    while (read_idx < slice.len) : (read_idx += 1) {
        if (slice[read_idx - 1] != elem or slice[read_idx] != elem) {
            slice[write_idx] = slice[read_idx];
            write_idx += 1;
        }
    }
    return write_idx;
}  