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once_cell

JSON →
library 1.21.4 ·rust
✓ verified Jun 16, 2026
utility

Single assignment cells and lazy values.

Resources

docsdocs.rs/once_cell/ ↗
githubgithub.com/matklad/once_cell ↗

API endpoints

full doc /v1/registry/once-cell
install /v1/registry/once-cell/install