Mercury Bugs - mercury | |||||
| View Issue Details | |||||
| ID | Project | Category | View Status | Date Submitted | Last Update |
| 0000529 | mercury | Bug | public | 2021-02-20 15:47 | 2021-02-26 17:57 |
| Reporter | wangp | ||||
|---|---|---|---|---|---|
| Assigned To | zs | ||||
| Priority | normal | Severity | minor | Reproducibility | always |
| Status | resolved | Resolution | fixed | ||
| Platform | OS | OS Version | |||
| Product Version | |||||
| Target Version | Fixed in Version | ||||
| Summary | 0000529: higher order inst from existentially quantified data constructors | ||||
| Description | As reported on m-users 2021-02-16, deconstructing a data constructor with existentially quantified type variables leaves a higher order argument with inst 'ground' even if higher order inst information is available from the du type definition. | ||||
| Steps To Reproduce | % mmc -e exist_cons_ho_arg.m exist_cons_ho_arg.m:026: In clause for `main(di, uo)': exist_cons_ho_arg.m:026: in argument 1 (i.e. the predicate term) of exist_cons_ho_arg.m:026: higher-order predicate call: exist_cons_ho_arg.m:026: mode error: variable `Pred' has instantiatedness exist_cons_ho_arg.m:026: `ground', exist_cons_ho_arg.m:026: expecting higher-order pred inst of arity 1. | ||||
| Tags | No tags attached. | ||||
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| Attached Files |  exist_cons_ho_arg.m (484) 2021-02-20 15:47https://bugs.mercurylang.org/file_download.php?file_id=310&type=bug | ||||
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| Issue History | |||||
| Date Modified | Username | Field | Change | ||
|---|---|---|---|---|---|
| 2021-02-20 15:47 | wangp | New Issue | |||
| 2021-02-20 15:47 | wangp | File Added: exist_cons_ho_arg.m | |||
| 2021-02-26 17:57 | zs | Assigned To | => zs | ||
| 2021-02-26 17:57 | zs | Status | new => resolved | ||
| 2021-02-26 17:57 | zs | Resolution | open => fixed | ||
| 2021-02-26 17:57 | zs | Note Added: 0001132 | |||