mapr

library0.8.0rscratesunverified

Cross-platform Rust API for memory-mapped file IO

# Cargo.toml
[dependencies]
mapr = "0.8.0"

github ↗homepage ↗docs ↗

INSTALL

IMPORT

SIG · MAPR

mapr

networkingrustv0.8.0

harness data pending

Install & Compatibility

Where this runs

No compatibility data collected yet for this library.

Code

Verified usage

Verified import paths — ran on the pinned version, not inferred.

Mmap

✓ use mapr::Mmap;

Memory-maps a file and prints its size

use mapr::Mmap; use std::fs::File; fn main() -> Result<(), Box<dyn std::error::Error>> { let file = File::open("example.txt")?; let mmap = unsafe { Mmap::map(&file)? }; println!("File size: {} bytes", mmap.len()); Ok(()) }

Debug

Known issues

gotchaUnsafe: memory mapping can cause undefined behavior if the file is modified concurrently

fix

Ensure the file is not modified while mapped, or use safe wrappers like memmap2

affects: >=0.8.0

Upgrade

Version history

0.8.0latest on crates.io

Audit

Dependencies

No dependency data recorded yet.

Agent activity

6 hits · last 30 days

node

Resources

githubhttps://github.com/filecoin-project/mapr ↗

homepagehttps://github.com/filecoin-project/mapr ↗

docshttps://docs.rs/mapr/ ↗