WerWolv / WerWolv/PatternLanguage

Double Evaluation of Attributes in Struct Field

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Dominant language
C++
Stars
275
Forks
75
Avg merge
1d 22h
Merged PRs (30d)
10

Description

The attribute associated with the struct field is being evaluated twice.

import std.io;

fn func(auto t) {
    std::print("test");
    return "comment";
};

struct Struct {
    u32 field [[comment(func(1))]];
};

Struct var @ 0;
I: test
I: test

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First steps

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  4. Open a pull request that references the issue number.

Research direction

The issue provides no file or test path. Start by running the supplied Pattern Language reproducer and trace where the struct field attribute is evaluated; done means the example prints test only once.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
compilers
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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