End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

Symbol#size

sym.size → integer

static VALUE
sym_length(VALUE sym)
{
    return rb_str_length(rb_sym2str(sym));
}

Alias of #length

Same as sym.to_s.length.

See also #length #next #slice #name also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1