Function match_result_code_with_expected_bytes 

pub fn match_result_code_with_expected_bytes<F, T>(
    result_code: i32,
    expected_num_bytes: usize,
    on_success: F,
) -> Result<T>
where
    F: FnOnce() -> T,

Evaluates a result code against an expected number of bytes and executes a closure on exact match.

Arguments

• result_code - An integer representing the operation result code
• expected_num_bytes - The exact number of bytes expected to have been written
• on_success - A closure that will be executed if the result code matches expected bytes

Type Parameters

• F - The type of the closure
• T - The return type of the closure

Returns

Returns a Result<T> where:

• Ok(T) - Contains the value returned by the closure if result_code matches expected_num_bytes
• Err(InternalError) - If result_code is non-negative but doesn’t match expected bytes
• Err(Error) - For negative result codes

Note

This function requires an exact match between the result code and expected byte count, making it suitable for operations where the exact amount of data written is critical.