Struct LinearClosure 

pub struct LinearClosure { /* private fields */ }

A closure the linear-memory backend made: which function runs, and the environment object it reads its captures out of.

It roots the object it names. A frame is a root because a static map says which of its slots are references, and the lowering clears a temporary’s slot at its last use — which for a closure handed to a host is the instruction after the call. The crate::host::Reentry contract says a host may keep a callback for later, so the value has to keep the object alive by itself, and the handle inside this is what does it. Nothing in a frame need name the object while a host holds one, and after the call nothing does.

Trait Implementations

impl Clone for LinearClosure

fn clone(&self) -> LinearClosure

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for LinearClosure

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.