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instance method

Symbol#upcase

sym.upcase → symbol

sym.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)));
}

Same as sym.to_s.upcase.intern.

See also #to_sym #to_s also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1