esyn 0.9.1

De/Serialization Rust In Rust.
Documentation 
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use crate::*;

pub trait CustomSyntax {
    fn parse(expr: &syn::Expr) -> Res<syn::Expr> {
        match expr {
            syn::Expr::Macro(expr) => Self::parse_macro(expr),
            syn::Expr::Call(expr) => Self::parse_call(expr),
            _ => Err(MyErr::Unimplemented),
        }
    }

    fn parse_macro(_: &syn::ExprMacro) -> Res<syn::Expr> {
        Err(MyErr::Unimplemented)
    }

    fn parse_call(_: &syn::ExprCall) -> Res<syn::Expr> {
        Err(MyErr::Unimplemented)
    }
}

pub trait WrapExpr: Sized + EsynSer {
    fn into_expr(self) -> syn::Expr {
        Wrap::new(self).into_expr()
    }
}
impl<T: Sized + EsynSer> WrapExpr for T {}