instance method

Symbol#upcase

() -> ::Symbol

(:ascii | :lithuanian | :turkic) -> ::Symbol

(:lithuanian, :turkic) -> ::Symbol

(:turkic, :lithuanian) -> ::Symbol

upcase(mapping) → 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 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0