Trait printf_wrap::PrintfArgsList

pub trait PrintfArgsList {
    type First: PrintfArgument;
    type Rest: PrintfArgsList;

    const IS_EMPTY: bool;
}

A PrintfArgs in a form more amenable to recursive processing.

Required Associated Types

type First: PrintfArgument

The first element of the list.

type Rest: PrintfArgsList

The elements of the list after the first.

Required Associated Constants

const IS_EMPTY: bool

Whether this type represents an empty list.

Implementations on Foreign Types

impl PrintfArgsList for ()

type First = u8

This isn’t really the first element of an empty list, but to fulfil the type constraint, we need something here.

const IS_EMPTY: bool = true

type Rest = ()

impl<CAR: PrintfArgument, CDR: PrintfArgsList> PrintfArgsList for (CAR, CDR)

const IS_EMPTY: bool = false

type First = CAR

type Rest = CDR

Implementors