53 lines
1.1 KiB
Rust
53 lines
1.1 KiB
Rust
// structs1.rs
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// Address all the TODOs to make the tests pass!
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// Execute `rustlings hint structs1` or use the `hint` watch subcommand for a hint.
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struct ColorClassicStruct {
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red: u32,
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green: u32,
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blue: u32,
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}
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struct ColorTupleStruct(u32, u32, u32);
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#[derive(Debug)]
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struct UnitLikeStruct;
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn classic_c_structs() {
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// TODO: Instantiate a classic c struct!
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let green = ColorClassicStruct {
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red: 0,
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green: 255,
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blue: 0,
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};
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assert_eq!(green.red, 0);
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assert_eq!(green.green, 255);
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assert_eq!(green.blue, 0);
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}
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#[test]
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fn tuple_structs() {
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// TODO: Instantiate a tuple struct!
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let green = ColorTupleStruct(0, 255, 0);
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assert_eq!(green.0, 0);
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assert_eq!(green.1, 255);
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assert_eq!(green.2, 0);
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}
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#[test]
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fn unit_structs() {
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// TODO: Instantiate a unit-like struct!
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let unit_like_struct = UnitLikeStruct;
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let message = format!("{:?}s are fun!", unit_like_struct);
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assert_eq!(message, "UnitLikeStructs are fun!");
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}
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}
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