vypracovavanie zadania

src/lib.rs

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+// src/lib.rs
+
+pub mod logic;
+pub use logic::*;

src/logic.rs

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+// src/logic.rs
+
+use serde::{Deserialize, Serialize};
+use std::fmt;
+
+#[derive(Default, Serialize, Deserialize, PartialEq)]
+enum StavKnihy {
+    #[default] Nova = 0,
+    Pozicana = 1,
+    Poskodena = 2,
+    Vyradena = 3,
+}
+
+impl fmt::Display for StavKnihy {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            StavKnihy::Nova => write!(f, "Nova"),
+            StavKnihy::Pozicana => write!(f, "Pozicana"),
+            StavKnihy::Poskodena => write!(f, "Poskodena"),
+            StavKnihy::Vyradena => write!(f, "Vyradena")
+        }
+    }
+}
+
+#[derive(Default, Serialize, Deserialize)]
+struct Kniha {
+    authors: Vec<String>,
+    title: String,
+    publisher: String,
+    genre: String,
+    page_count: usize,
+    isbn: String,
+    year: usize,
+    pozicane: bool,
+    stav_knihy: StavKnihy,
+}
+
+impl fmt::Display for Kniha {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "({}, {}, {}, {}, {}, {}, {}, {}, {}",
+               self.authors.join(", "),
+               self.title,
+               self.publisher,
+               self.genre,
+               self.page_count,
+               self.isbn,
+               self.year,
+               self.pozicane,
+               self.stav_knihy,
+        )
+    }
+}
+
+
+#[derive(Default, Serialize, Deserialize)]
+struct Kniznica {
+
+}

src/main.rs

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+fn main() {
+    println!("Hello, world!");
+}