Introduce structs

3 files changed, 70 insertions, 0 deletions

diff --git a/structure/.gitignore b/structure/.gitignore
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+++ b/structure/.gitignore
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+
+# Created by https://www.toptal.com/developers/gitignore/api/rust
+# Edit at https://www.toptal.com/developers/gitignore?templates=rust
+
+### Rust ###
+# Generated by Cargo
+# will have compiled files and executables
+/target/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# End of https://www.toptal.com/developers/gitignore/api/rust
+
diff --git a/structure/Cargo.toml b/structure/Cargo.toml
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+[package]
+name = "structure"
+version = "0.1.0"
+authors = ["Jordan Gong <jordan.gong@protonmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/structure/src/main.rs b/structure/src/main.rs
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+/* define */
+struct User {
+    username: String,
+    email: String,
+    sign_in_count: u64,
+    active: bool,
+}
+
+/* tuple structs */
+struct Color(i32, i32, i32);
+struct Point(i32, i32, i32);
+
+fn main() {
+    /* create an instance */
+    let mut user1 = User {
+        email: String::from("someone@example.com"),
+        username: String::from("someusername123"),
+        active: true,
+        sign_in_count: 1,
+    };
+
+    user1.email = String::from("anotheremal@example.com");
+
+    /* update syntax */
+    let user2 = User {
+        email: String::from("another@email.com"),
+        username: String::from("anotherusername567"),
+        ..user1
+    };
+
+    let black = Color(0, 0, 0);
+    let origin = Point(0, 0, 0);
+}
+
+fn build_user(email: String, username: String) -> User {
+    User {
+        email,  /* field init shorthad */
+        username,
+        active: true,
+        sign_in_count: 1,
+    }
+}
+