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35 lines
813 B
Rust
35 lines
813 B
Rust
trait Licensed {
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fn licensing_info(&self) -> String {
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"Default license".to_string()
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}
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}
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struct SomeSoftware;
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struct OtherSoftware;
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impl Licensed for SomeSoftware {}
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impl Licensed for OtherSoftware {}
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fn compare_license_types(software1: impl Licensed, software2: impl Licensed) -> bool {
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// ^^^^^^^^^^^^^ ^^^^^^^^^^^^^
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software1.licensing_info() == software2.licensing_info()
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}
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fn main() {
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// You can optionally experiment here.
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}
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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 compare_license_information() {
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assert!(compare_license_types(SomeSoftware, OtherSoftware));
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}
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#[test]
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fn compare_license_information_backwards() {
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assert!(compare_license_types(OtherSoftware, SomeSoftware));
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}
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}
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