End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

NilClass#to_h

nil.to_h → {}

static VALUE
nil_to_h(VALUE obj)
{
    return rb_hash_new();
}

Always returns an empty hash.

Example

nil.to_h   #=> {}

See also #to_f #to_i #to_d #to_r also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.0