Trait Engineer 

pub trait Engineer
where
    Self: Sized,
    Self::Builder: Builder<Self>,
{
    type Builder;
    type Params;

    const NORMAL_FIELDS: usize;
    const OPTIONAL_FIELDS: usize;

    // Required method
    fn builder(required: Self::Params) -> Self::Builder;

    // Provided methods
    fn build(required: Self::Params) -> Self { ... }
    fn build_default() -> Self
       where Self::Params: Default { ... }
}

Required Associated Constants

const NORMAL_FIELDS: usize

const OPTIONAL_FIELDS: usize

Required Associated Types

type Builder

type Params

Required Methods

fn builder(required: Self::Params) -> Self::Builder

Provided Methods

fn build(required: Self::Params) -> Self

fn build_default() -> Self

where Self::Params: Default,

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors