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feat: range indexing on strings #845

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merged 2 commits into from Mar 19, 2024

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zitsen
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@zitsen zitsen commented Mar 18, 2024

Now we support range indexing on strings, including ref/mut impls.

For example, you can use range indexing intead of sub_of_string() method like bellow:

let s1 = "abcde";
let s2 = s1[1..4]; // "bcd"
s1[1..4] = "f"; // s1: "afe", s2: "bcd"

Close #841

Now we support range indexing on strings, including ref/mut impls.

For example, you can use range indexing intead of sub_of_string() method
like bellow:

```rust
let s1 = "abcde";
let s2 = s1[1..4]; // "bcd"
s1[1..4] = "f"; // s1: "afe", s2: "bcd"
```

Close rhaiscript#841
@schungx
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schungx commented Mar 18, 2024

Wow, I'll look through that.

Probably needs some more tests just to make sure it doesn't muck up indexing a single character ...

Thanks!

@zitsen
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zitsen commented Mar 18, 2024

I've test it with cargo test to confirm it wouldn't break anything. For char indexing, I've add a more complex test case to test both char-index and range-index on the same string.

@schungx
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schungx commented Mar 19, 2024

Anyway let's merge this and see how it goes.

@schungx schungx merged commit 6dc86bb into rhaiscript:main Mar 19, 2024
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Feature: syntax str[range] support like rust string indexing by range
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