Start backend with rocket.rs

rs/.gitignore

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+target/

rs/Cargo.toml

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+[package]
+name = "schach"
+version = "0.1.0"
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rocket = { version = "0.5.0-rc.1", features = ["json"] }
+serde = "1.0.127"

rs/src/main.rs

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+#[macro_use]
+extern crate rocket;
+use rocket::serde::{json::Json, Serialize};
+
+#[derive(Serialize)]
+struct Greeting<'a> {
+    hello: &'a str,
+}
+
+#[get("/")]
+fn index() -> Json<Greeting<'static>> {
+    Json(Greeting {
+        hello: "Hello, world!",
+    })
+}
+
+#[launch]
+fn rocket() -> _ {
+    rocket::build().mount("/api/", routes![index])
+}

rs/src/pieces.rs

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+enum PieceKind {
+    Rook,
+    Knight,
+    Bishop,
+    King,
+    Queen,
+    Pawn,
+}
+
+enum PieceColor {
+    Black,
+    White,
+}
+
+enum Column {
+    A,
+    B,
+    C,
+    D,
+    E,
+    F,
+    G,
+    H,
+}
+
+enum Row {
+    _1,
+    _2,
+    _3,
+    _4,
+    _5,
+    _6,
+    _7,
+    _8,
+}
+
+type Position = (Column, Row);
+
+struct Piece {
+    kind: PieceKind,
+    color: PieceColor,
+    position: Position,
+}
+
+struct Board {
+    pieces: Vec<Piece>,
+}
+
+impl Board {
+    fn fresh() -> Board {
+        Board {
+            pieces: vec![Piece {
+                kind: PieceKind::Rook,
+                color: PieceColor::Black,
+                position: (Column::A, Row::_8),
+            }],
+        }
+    }
+}