in reply to if else and not reachable coding style

if (COND) {
    return 1;
} elsif (OTHERCOND) {
    return 2;
} else {
    die "cannot happen";
};

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The rationale is that you can extend your switch conditions with more elsifs, but need not touch the tail. If "cannot happen" ever happens, you know you recently added a logical error.

In Section Meditations