Struct chrome_remote_interface_model::heap_profiler::HeapStatsUpdateEvent [−][src]
pub struct HeapStatsUpdateEvent { /* fields omitted */ }
experimental
and HeapProfiler
and Runtime
only.Expand description
If heap objects tracking has been started then backend may send update for one or more fragments
Implementations
An array of triplets. Each triplet describes a fragment. The first integer is the fragment index, the second integer is a total count of objects for the fragment, the third integer is a total size of the objects for the fragment.
Methods from Deref<Target = Vec<u32>>
Returns the number of elements the vector can hold without reallocating.
Examples
let vec: Vec<i32> = Vec::with_capacity(10); assert_eq!(vec.capacity(), 10);
Extracts a slice containing the entire vector.
Equivalent to &s[..]
.
Examples
use std::io::{self, Write}; let buffer = vec![1, 2, 3, 5, 8]; io::sink().write(buffer.as_slice()).unwrap();
Returns a raw pointer to the vector’s buffer.
The caller must ensure that the vector outlives the pointer this function returns, or else it will end up pointing to garbage. Modifying the vector may cause its buffer to be reallocated, which would also make any pointers to it invalid.
The caller must also ensure that the memory the pointer (non-transitively) points to
is never written to (except inside an UnsafeCell
) using this pointer or any pointer
derived from it. If you need to mutate the contents of the slice, use as_mut_ptr
.
Examples
let x = vec![1, 2, 4]; let x_ptr = x.as_ptr(); unsafe { for i in 0..x.len() { assert_eq!(*x_ptr.add(i), 1 << i); } }
🔬 This is a nightly-only experimental API. (allocator_api
)
allocator_api
)Returns a reference to the underlying allocator.
Returns the number of elements in the vector, also referred to as its ‘length’.
Examples
let a = vec![1, 2, 3]; assert_eq!(a.len(), 3);
Trait Implementations
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
Auto Trait Implementations
impl RefUnwindSafe for HeapStatsUpdateEvent
impl Send for HeapStatsUpdateEvent
impl Sync for HeapStatsUpdateEvent
impl Unpin for HeapStatsUpdateEvent
impl UnwindSafe for HeapStatsUpdateEvent
Blanket Implementations
Mutably borrows from an owned value. Read more