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Fix error in push docs

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Copying is O(n)—not the memory allocation
This commit is contained in:
Jacob Asper 2024-02-18 17:55:52 -05:00
parent a9cfeb34dd
commit bc52e5d4de
1 changed files with 5 additions and 4 deletions
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9
library/alloc/src/vec/mod.rs
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@ -1921,10 +1921,11 @@ impl<T, A: Allocator> Vec<T, A> {
///
/// # Time complexity
///
/// Takes amortized *O*(1) time. If the vector's length would exceed its capacity after
/// the push, *O*(*capacity*) space is allocated, doubling the capacity and
/// taking *O*(*capacity*) time. This expensive operation is offset by the
/// *capacity* *O*(1) insertions it allows.
/// Takes amortized *O*(1) time. If the vector's length would exceed its
/// capacity after the push, the capacity is doubled by allocating
/// *O*(*capacity*) space, then *O*(*capacity*) time to copy the vector's
/// elements. This expensive operation is offset by the *capacity* *O*(1)
/// insertions it allows.
#[cfg(not(no_global_oom_handling))]
#[inline]
#[stable(feature = "rust1", since = "1.0.0")]