default @SideEffectFree boolean isValidShort(final @NonNull ShortRange range) {
        return this.isValidShort(range.minShort(), range.maxShort());
    }
Returns whether {@link #peekString()} contain a valid {@link Short}
within the given range.

@param range range of accepted numbers
@return whether the input until the next whitespace contains a valid {@link Short}
cloud-core/src/main/java/org/incendo/cloud/context/CommandInput.java