End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
instance method
Comparable#<
obj < other → true or false
compar.c
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static VALUE
cmp_lt(VALUE x, VALUE y)
{
return RBOOL(cmpint(x, y) < 0);
}
Compares two objects based on the receiver’s <=> method, returning true if it returns a value less than 0.