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OOP support.

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This commit is contained in:
Stephen Chung
2020-06-26 10:39:18 +08:00
parent 259b6d0fcf
commit 175c3ccaec
27 changed files with 498 additions and 234 deletions
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doc/src/rust/custom.md
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@@ -97,16 +97,17 @@ println!("result: {}", result.field); // prints 42
Method-Call Style vs. Function-Call Style
----------------------------------------
In fact, any function with a first argument that is a `&mut` reference can be used
Any function with a first argument that is a `&mut` reference can be used
as method calls because internally they are the same thing: methods on a type is
implemented as a functions taking a `&mut` first argument.
This design is similar to Rust.
```rust
fn foo(ts: &mut TestStruct) -> i64 {
ts.field
}
engine.register_fn("foo", foo); // register ad hoc function with correct signature
engine.register_fn("foo", foo); // register a Rust native function
let result = engine.eval::<i64>(
"let x = new_ts(); x.foo()" // 'foo' can be called like a method on 'x'