enum Index [src]

Index into nodes.

Fields

root = 0

Members

toOffset (Function)
toOptional (Function)

Source

  pub const Index = enum(u32) {
    root = 0,
    _,

    pub fn toOptional(i: Index) OptionalIndex {
        const result: OptionalIndex = @enumFromInt(@intFromEnum(i));
        assert(result != .none);
        return result;
    }

    pub fn toOffset(base: Index, destination: Index) Offset {
        const base_i64: i64 = @intFromEnum(base);
        const destination_i64: i64 = @intFromEnum(destination);
        return @enumFromInt(destination_i64 - base_i64);
    }
}  