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pub struct FuncRef { /* private fields */ }
Expand description

Defines a reference to a host function.

The table_and_funcref example presents how to obtain and use FuncRef.

Implementations

Returns the underlying wasm type of the host function this FuncRef points to.

Errors

If fail to get the function type, then an error is returned.

Runs this host function the reference refers to.

Arguments
  • engine - The object implementing the Engine trait.

  • args - The arguments passed to the host function.

Error

If fail to run the host function, then an error is returned.

Trait Implementations

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Formats the value using the given formatter. Read more

The Wasm type.

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

Uses borrowed data to replace owned data, usually by cloning. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.

The array type that can hold all the represented values. Read more

Get the Wasm types for the tuple (list) of currently represented values. Read more