code: @Pure
  	@Inline(value = "(-($1.doubleValue()))", constantExpression = true)
  	public static double operator_minus(Number number) {
  		return -number.doubleValue();
  	}
docs: The unary {@code minus} operator. This is the equivalent to
  the Java's {@code -} function. This function is not null-safe.
  
  @param number a number.
  @return {@code -number}