fancy_constructor 2.1.0

Derive a highly configurable constructor for your struct
Documentation 
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use crate::types::MiniField;
use macroific::prelude::*;
use proc_macro2::Ident;
use syn::punctuated::Punctuated;
use syn::{Expr, LitStr, Token, TypeParam, Visibility};

#[derive(AttributeOptions, Default)]
pub struct ContainerOptions {
    pub const_fn: bool,
    pub default: bool,
    pub vis: Option<Visibility>,
    pub name: Option<Ident>,
    pub comment: Option<LitStr>,
    pub bounds: Punctuated<TypeParam, Token![,]>,
    pub args: Punctuated<MiniField, Token![,]>,
}

#[derive(AttributeOptions)]
pub struct FieldOptions {
    pub default: bool,
    pub clone: bool,
    pub into: bool,
    pub name: Option<Ident>,

    #[attr_opts(rename = "val")]
    pub value: Option<Expr>,
}

impl FieldOptions {
    #[inline]
    pub fn uses_reference(&self) -> bool {
        self.clone
    }

    #[inline]
    pub fn should_skip_args(&self) -> bool {
        self.default || self.value.is_some()
    }
}