stan-dev/stan

var_context builder

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#2,924 建立於 2020年5月23日

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featuregood first issue

描述

Summary:

It'd be nice to have a builder pattern for var contexts to make them easy to construct for testing. Something that could be used like this:

MatrixXd m(3, 2); 
...
var_context vc
  = var_context::builder()
    .matrix("a", m)
    .real("f", 2.3)
    .build();

Current Version:

v2.23.0

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技術棧
cpp
領域
developer experiencetesting
議題類型
feature
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
3
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fresh
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
clear
前置要求
C++ builder patternStan var context class
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
60
研究方向
The issue requests a builder pattern for `var context` to simplify test construction. The implementation should be done in the existing C++ source code, likely in `src/stan/io/var context.hpp` or similar. A builder class with methods like `matrix()` and `real()` should be added, culminating in a `build()` method that returns a `var context`. No existing PRs or comments provide additional guidance; the developer should design the builder according to typical C++ builder patterns and ensure compatibility with the existing `var context` interface.
var_context builder · stan-dev/stan#2924 | Good First Issue