Another suggestion: add type signatures.

另一个建议是：添加类型的签名。

youdao

Tool tips usually show type signatures, list of members of types etc.

提示通常会显示出类型签名、类型成员的列表等等。

youdao

In the ML-descended functional languages, functions have type signatures.

传承自ml的函数语言中，函数是类型签名。

youdao

Prof Stolper compared the signatures with a catalogue containing thousands of Earth rocks, and determined the nearest match to be an igneous type, the formation of which he likened to the production of colonial apple jack liquor.

BBC: Nasa's Curiosity rover finds 'unusual rock'