Zig 0.17.0-dev (Split by item)

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findLastNone

Find the last item in slice which is not contained in values.

Like strspn in the C standard library, but searches from the end.

mem.findLastNone

pub fn findLastNone(comptime T: type, slice: []const T, values: []const T) ?usize

File

lib/std/mem.zig:1395

Code

pub fn findLastNone(comptime T: type, slice: []const T, values: []const T) ?usize {
    var i: usize = slice.len;
    outer: while (i != 0) {
        i -= 1;
        for (values) |value| {
            if (slice[i] == value) continue :outer;
        }
        return i;
    }
    return null;
}