Symbol#upcase

upcase(*options) → symbol

static VALUE
sym_upcase(int argc, VALUE *argv, VALUE sym)
{
    return rb_str_intern(rb_str_upcase(argc, argv, rb_sym2str(sym)));
}

Equivalent to sym.to_s.upcase.to_sym.

See also #to_sym #to_s also in 4.1 · 4.0 · 3.4 · 3.2 · 3.1 · 3.0