lec08

lec08/playing_around/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "playing_around"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

lec08/playing_around/src/main.rs

@@ -0,0 +1,51 @@
+// struct student {
+//     char *stu_name;
+//     int stu_zid;
+//     double stu_wam;
+// }
+// 
+// fn prints_student(student: struct student) {
+//     // ...
+// }
+
+fn sum_vec(xs: Vec<i32>) -> i32 {
+    xs.into_iter().sum()
+}
+
+// fn (Rust)
+// fun (Kotlin)
+// func (Go)
+// function (JS)
+// def (Python)
+// sub (Perl)
+// <nothing> (Shell)
+//
+// int x = 42;      --> <TYPE(int)> <VAR(x)> <EQ> <NUM(42)> <SEMICOLON>
+// let x: i32 = 42; --> <LET> <VAR(x)> <TYPE(i32)> <EQ> <NUM(42)> <SEMICOLON>
+//                      ^^^^ parser ??? assignment 01 ?????????
+
+fn sum_array(xs: [i32; 3]) -> i32 {
+    xs.into_iter().sum()
+}
+
+fn sum_slice(xs: &[i32]) -> i32 {
+    xs.into_iter().sum()
+}
+
+// fn foo(x: i32) {
+//     println!("Foo with i32: {x}");
+// }
+// 
+// fn foo(x: &str) {
+//     println!("Foo with string: {x}");
+// }
+
+fn main() {
+    let v = vec![1, 2, 3];
+    let a = [1, 2, 3];
+
+    // ...
+
+    dbg!(sum_slice(&v));
+    dbg!(sum_slice(&a));
+}