Function differ [src]

Prototype

pub fn differ(self: Order) ?Order

Parameters

self: Order

Example

 test differ {
    const neg: i32 = -1;
    const zero: i32 = 0;
    const pos: i32 = 1;
    try testing.expect(order(zero, neg).differ() orelse
        order(pos, zero) == .gt);
    try testing.expect(order(zero, zero).differ() orelse
        order(zero, zero) == .eq);
    try testing.expect(order(pos, pos).differ() orelse
        order(neg, zero) == .lt);
    try testing.expect(order(zero, zero).differ() orelse
        order(pos, neg).differ() orelse
        order(neg, zero) == .gt);
    try testing.expect(order(pos, pos).differ() orelse
        order(pos, pos).differ() orelse
        order(neg, neg) == .eq);
    try testing.expect(order(zero, pos).differ() orelse
        order(neg, pos).differ() orelse
        order(pos, neg) == .lt);
}

Source

  pub fn differ(self: Order) ?Order {
    return if (self != .eq) self else null;
}  