b38f9a5810
4570: Use Chalk's built-in impls r=matklad a=flodiebold This contains two changes: - Chalk has begun adding built-in representations of primitive types; use these in our type conversion logic. There's one somewhat 'iffy' part here, namely references; we don't keep track of lifetimes, but Chalk does, so it will expect a lifetime parameter on references. If we didn't provide that, it could cause crashes in Chalk code that expects the lifetime, so I rather hackily add an (always the same) lifetime placeholder during conversion. I expect that we'll fully switch to using Chalk's types everywhere before we add lifetime support, so I think this is the best solution for now. - let Chalk know about well-known traits (from lang items), so it can apply its built-in impls. Before: ``` Total expressions: 181485 Expressions of unknown type: 2940 (1%) Expressions of partially unknown type: 2884 (1%) Type mismatches: 901 Inference: 37.821210245s, 0b allocated 0b resident Total: 53.399467609s, 0b allocated 0b resident ``` After: ``` Total expressions: 181485 Expressions of unknown type: 2923 (1%) Expressions of partially unknown type: 2879 (1%) Type mismatches: 734 Inference: 39.157752509s, 0b allocated 0b resident Total: 54.110767621s, 0b allocated 0b resident ``` (I will start splitting up `chalk.rs` in a separate PR, since it's getting pretty big...) Co-authored-by: Florian Diebold <flodiebold@gmail.com> Co-authored-by: Florian Diebold <florian.diebold@freiheit.com>
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