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Set namespace in Module::set_fn_XXX_mut calls.

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This commit is contained in:
Stephen Chung
2020-11-17 15:11:58 +08:00
parent 863c6b45a5
commit 21c641d21f
4 changed files with 100 additions and 61 deletions
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9
doc/src/rust/modules/create.md
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@@ -60,7 +60,7 @@ engine.register_module("calc", module);
engine.eval::<i64>("calc::inc(41)")? == 42; // refer to the 'Calc' module
```
`Module::set_fn_namespace` can expose functions (usually _methods_) in the module
`Module::set_fn_XXX_mut` can expose functions (usually _methods_) in the module
to the _global_ namespace, so [getters/setters] and [indexers] for [custom types] can work as expected.
Type iterators, because of their special nature, are always exposed to the _global_ namespace.
@@ -69,13 +69,12 @@ Type iterators, because of their special nature, are always exposed to the _glob
use rhai::{Engine, Module, FnNamespace};
let mut module = Module::new(); // new module
let hash = module.set_fn_1_mut("inc", // add new method
// Expose method 'inc' to the global namespace (default is 'Internal')
module.set_fn_1_mut("inc", FnNamespace::Global,
|x: &mut i64| Ok(x+1)
);
// Expose 'inc' to the global namespace (default is 'Internal')
module.set_fn_namespace(hash, FnNamespace::Global);
// Load the module into the Engine as a sub-module named 'calc'
let mut engine = Engine::new();
engine.register_module("calc", module);