suggestions []](https://crates.org.cn/crates/suggestions)

提供 clap-style "你可能想要" 建议的最小 Rust 库

唯一的依赖项是 strsim.

实现直接从 clap (见此处) 复制。它已被提取为一个库。

示例

let possible_vals = vec!["test", "possible", "values"];
let input = "tst";
let suggestions = suggestions::provide_suggestions(input, &possible_vals);
assert_eq!(suggestions, vec!["test"]);
// We have a convenience function to only pick only a single suggestion, giving `Some` or `None`
let single_suggestion = suggestions::provide_a_suggestion(input, &possible_vals);
assert_eq!(single_suggestion.unwrap(), "test");

多个匹配项

有时可能会有多个（良好的）建议。

考虑以下示例

let possible_vals = vec!["testing", "tempo"];
let input = "teso"; // Sems ambiguous. Maybe multiple suggestions?
let suggestions = suggestions::provide_suggestions(input, &possible_vals);
// The implementation trys to order matches from "best" to "wort"
assert_eq!(suggestions, vec!["testing", "tempo"]);

在这里（provide_a_suggestion）请求单个建议将尝试返回“最佳”的一个。正如你可以想象的那样，这可能与用户的期望不符。因此，最好坚持使用provide_suggesetions。

没有匹配项

如果没有合理相似的内容，请求建议将返回 vec![] 或 None。

let possible_vals = vec!["testing", "things", "here"];
let input = "--something-completely_different";
assert_eq!(suggestions::provide_a_suggestion(&input, &possible_vals), None)

二进制文件

作为一个如何使用库的示例，提供了一个二进制文件。

它没有额外的依赖项。所需的目标是作为参数提供，并从标准输入读取“可能的字符串”

示例

$ echo "baz\nbar\nfood\nfoz" | suggestions fod
foz food

# Supports multiple targets
$ echo "baz\nbar\nfood\nfoz" | suggestions fod ba
foz food
baz bar

# No matches -> corresponding empty line
$ echo "baz\nbar\nfood\nfoz" | suggestions fod ba
foz food
baz bar

```

```
# Supports outputing as josn (for whatever that's worth)
# echo "baz\nbar\nfood\nfoz" | suggestions --json fod ba nothing-similar
{
  "fod":["foz","food"],
  "ba":["baz","bar"],
  "nothing-similar":[]
}