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Add ImportObject maybe_with_namespace example

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This commit is contained in:
Mark McCaskey
2019-09-25 12:35:35 -07:00
parent cda35afce0
commit 4266926e90
2 changed files with 9 additions and 0 deletions
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8
lib/runtime-core/src/import.rs
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@ -124,6 +124,14 @@ impl ImportObject {
}
/// The same as `with_namespace` but takes a function that may fail
/// # Usage:
/// ```
/// # use wasmer_runtime_core::import::{ImportObject, LikeNamespace};
/// # use wasmer_runtime_core::export::Export;
/// fn get_export(imports: &ImportObject, namespace: &str, name: &str) -> Option<Export> {
/// imports.maybe_with_namespace(namespace, |ns| ns.get_export(name))
/// }
/// ```
pub fn maybe_with_namespace<Func, InnerRet>(&self, namespace: &str, f: Func) -> Option<InnerRet>
where
Func: FnOnce(&(dyn LikeNamespace + Send)) -> Option<InnerRet>,