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Mercurial > demo / obj/src/types.rs

changeset 7: 315fedf35bc7
parent: 8f59e2f1b8c4
child: d8f806f1d327
author: ellis <ellis@rwest.io>
date: Sun, 07 May 2023 18:06:13 -0400
permissions: -rw-r--r--
description: rust ffi macros, general stuff 
     1 //! obj/src/types.rs --- OBJ type descriptions used by our demo
     2 use crate::{Deserialize, Objective, Result, Serialize};
     3 /// APPLICATION TYPES
     4 #[derive(Serialize, Deserialize)]
     5 pub enum Service {
     6   Weather,
     7   Stocks,
     8   Dynamic(Vec<Service>),
     9   Custom(CustomService),
    10   Test,
    11 }
    12 
    13 impl Objective for Service {}
    14 
    15 impl From<&str> for Service {
    16   fn from(value: &str) -> Self {
    17     match value {
    18       "weather" => Service::Weather,
    19       "stocks" => Service::Stocks,
    20       "test" => Service::Test,
    21       s => {
    22         if s.contains(",") {
    23           let x = s.split(",");
    24           Service::Dynamic(
    25             x.map(|y| Service::Custom(y.into()))
    26               .collect::<Vec<Service>>(),
    27           )
    28         } else {
    29           Service::Custom(s.into())
    30         }
    31       }
    32     }
    33   }
    34 }
    35 
    36 #[derive(Serialize, Deserialize)]
    37 pub struct CustomService {
    38   name: String,
    39 }
    40 impl Objective for CustomService {}
    41 impl From<CustomService> for Service {
    42   fn from(value: CustomService) -> Self {
    43     Service::Custom(value)
    44   }
    45 }
    46 impl From<&str> for CustomService {
    47   fn from(value: &str) -> Self {
    48     let name = value.to_owned();
    49     CustomService { name }
    50   }
    51 }
    52 
    53 #[derive(Serialize, Deserialize)]
    54 pub struct Complex<X: Objective> {
    55   data: X,
    56   state: Vec<u8>,
    57 }
    58 
    59 impl Objective for Complex<Service> {}
    60 
    61 pub fn generate_complex() -> Result<Complex<Service>> {
    62   Ok(Complex::<Service>::from_json_str("hi")?)
    63 }