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Apache-2.0 - Apache License 2.0A generic range allocator for Rust.
RangeAllocator<T> manages a contiguous range and hands out non-overlapping
sub-ranges on request. It uses a best-fit strategy to reduce fragmentation and
automatically merges adjacent free ranges on deallocation. Allocations can
optionally be aligned to a given boundary without wasting the padding space.
use range_alloc::RangeAllocator;
let mut alloc = RangeAllocator::new(0u64..1024);
// Basic allocation.
let a = alloc.allocate_range(256).unwrap();
assert_eq!(a, 0..256);
// Aligned allocation -- the returned range starts on a 128-byte boundary.
let b = alloc.allocate_range_aligned(64, 128).unwrap();
assert_eq!(b, 256..320);
// Free a range so it can be reused.
alloc.free_range(a);
// Grow the pool if you need more space.
alloc.grow_to(2048);The MSRV of this crate is at least 1.31, possibly earlier. It will only be bumped in a breaking release.
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