Skip to content

first should get the Initialized elements #549

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
AZero13 wants to merge 2 commits into
base: main
Choose a base branch
from
+2 −1
Open

first should get the Initialized elements #549

Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
1c840e6
first should get the Initialized elements
AZero13 Dec 6, 2025
ad17682
Update Sources/ContainersPreview/InputSpan.swift
lorentey Dec 9, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 3 additions & 1 deletion Sources/ContainersPreview/InputSpan.swift
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -64,7 +64,9 @@ extension InputSpan where Element: ~Copyable {
@unsafe
internal func _first() -> UnsafeMutableRawPointer {
// NOTE: `_pointer` must be known to be not-nil.
unsafe _start().advanced(by: _count &* MemoryLayout<Element>.stride)
// Initialized elements live at the end of the buffer; skip the uninitialized prefix.
let offset = (capacity &- _count) &* MemoryLayout<Element>.stride
unsafe _start().advanced(by: offset)
}

@unsafe
Expand Down