On 30/11/2019 09:05, ToddAndMargo via perl6-users wrote: > One of the weirdest was > > for @Result.kv -> $I, $Line { > if $I % 2 = 0 > > being told I could not change an immutable object.
Here you're trying to assign 0 to the result of $I % 2, if that's actually exactly the code. You want to compare here, not assign, i.e. use == instead of = HTH - Timo