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type Obj[A; B: not A] = object is accepted but doesn't work as expected #10739

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GULPF opened this issue Feb 25, 2019 · 0 comments
Open

type Obj[A; B: not A] = object is accepted but doesn't work as expected #10739

GULPF opened this issue Feb 25, 2019 · 0 comments
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Generics Invalid Code Acceptance Everything related to compiler not complaining about invalid code

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@GULPF
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GULPF commented Feb 25, 2019

Generic symbols can be referenced in generic constraints, but it seems like semcheck doesn't handle it properly.

Example

type
  Obj[A; B: not A] = object
  Obj2 = Obj[int, int]

Current Output

Compiles successfully.

Expected Output

An error stating that Obj[int, int] is an invalid type.
@GULPF GULPF added the Generics label Feb 25, 2019
@ringabout ringabout added the Invalid Code Acceptance Everything related to compiler not complaining about invalid code label Mar 27, 2021
@bung87 bung87 mentioned this issue Oct 28, 2022
Closed
bung87 added a commit to bung87/Nim that referenced this issue Oct 29, 2022
@bung87
suitable for nim-lang#10739
2b61bb5
bung87 added a commit to bung87/Nim that referenced this issue Dec 13, 2022
@bung87
suitable for nim-lang#10739
d9614e1
@metagn metagn mentioned this issue Dec 27, 2022
Open
@metagn metagn mentioned this issue Feb 22, 2023
Open
bung87 added a commit to bung87/Nim that referenced this issue Apr 26, 2023
@bung87
suitable for nim-lang#10739
65bce2d
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@GULPF @ringabout