Function is_initialized 

pub fn is_initialized() -> bool

Is it currently initialized?

Safety

This function is safe to call from multiple threads.

Returns

true if libvips has been initialized, false otherwise.

/// # Example

use vips::is_initialized;

 if is_initialized() {
    println!("libvips is initialized");
 } else {
    println!("libvips is not initialized");
 }