public Builder<T> unaryOperators(final Set<? extends T> ops) {
			return unaryOperators(Set.copyOf(ops)::contains);
		}
Set all unary operator tokens.

@param ops the unary operator tokens
@return {@code this} builder, for method chaining
@throws NullPointerException if the {@code ops} is {@code null}
jenetics.ext/src/main/java/io/jenetics/ext/internal/util/FormulaParser.java