Method try_with_capacity

cranelift/entity/src/map.rs:72–85

Like `with_capacity` but returns an error on allocation failure.

(capacity: usize)

    /// Like `with_capacity` but returns an error on allocation failure.
    pub fn try_with_capacity(capacity: usize) -> Result<Self, OutOfMemory>
    where
        V: Default,
    {
        let mut elems = Vec::new();
        elems
            .try_reserve(capacity)
            .map_err(|_| OutOfMemory::new(core::mem::size_of::<V>().saturating_mul(capacity)))?;
        Ok(Self {
            elems,
            default: Default::default(),
            unused: PhantomData,
        })
    }

    /// Create a new empty map with a specified default value.
    ///