Function memory_available 

pub fn memory_available() -> Result<Option<u64>, ReadParseError>

Returns the available memory in bytes.

Formula: memory_max() - memory_net_used()

Errors

Returns an error if the memory max file MEMORY_MAX or the memory statistics file MEMORY_STAT could not be read or parsed.

Panics

This function will panic if any arithmetic operation (subtraction) overflows.

Example

match memory_available() {
    Ok(Some(available)) => println!("Available memory: {} bytes", available),
    Ok(None) => println!("No memory limit set"),
    Err(e) => println!("Failed to read memory information: {}", e),
}