immutable slice and borrowed slice
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src/main.rs
29
src/main.rs
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@ -1,26 +1,9 @@
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fn main() {
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let mut a: [i8; 10] = [42; 10];
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a[5] = 0;
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println!("a: {:?}", a);
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let a: [i32; 6] = [10, 20, 30, 40, 50, 60];
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println!("a: {a:?}");
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// so this is assigning an immutable tuple
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let t: (i8, bool) = (7, true);
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println!("t 1st: {}", t.0);
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println!("t 2nd: {}", t.1);
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let pre_ref_x: &mut i32;
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{
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let mut x: i32 = 10;
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let mut z: i32 = 5;
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println!("x: {x}");
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println!("z: {z}");
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let mut ref_x: &mut i32 = &mut x;
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*ref_x = 20;
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pre_ref_x = &mut x;
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println!("x: {x}");
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ref_x = &mut z;
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*ref_x = 20;
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println!("z: {z}");
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}
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println!("pre_ref_x: {pre_ref_x}");
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let s: &[i32] = &a[2..4];
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println!("s: {s:?}");
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println!("a[2]: {}", a[2]);
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println!("s[0]: {}", s[0]);
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}
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@ -0,0 +1 @@
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