22 lines
665 B
Rust
22 lines
665 B
Rust
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fn of<T>() -> @fn(T) { fail; }
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fn subtype<T>(x: @fn(T)) { fail; }
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fn test_fn<T>(_x: &x/T, _y: &y/T, _z: &z/T) {
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// Here, x, y, and z are free. Other letters
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// are bound. Note that the arrangement
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// subtype::<T1>(of::<T2>()) will typecheck
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// iff T1 <: T2.
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// should be the default:
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subtype::<@static/fn()>(of::<@fn()>());
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subtype::<@fn()>(of::<@static/fn()>());
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//
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subtype::<@x/fn()>(of::<@fn()>()); //~ ERROR mismatched types
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subtype::<@x/fn()>(of::<@y/fn()>()); //~ ERROR mismatched types
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subtype::<@x/fn()>(of::<@static/fn()>()); //~ ERROR mismatched types
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subtype::<@static/fn()>(of::<@x/fn()>());
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}
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