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use glib::translate::*;
use gtk_sys;
use std::ptr;
use TargetEntry;
use TargetList;

impl TargetList {
    /// Creates a new `TargetList` from an array of `TargetEntry`.
    /// ## `targets`
    /// Pointer to an array
    ///  of `TargetEntry`
    /// ## `ntargets`
    /// number of entries in `targets`.
    ///
    /// # Returns
    ///
    /// the new `TargetList`.
    pub fn new(targets: &[TargetEntry]) -> Self {
        skip_assert_initialized!();
        let stashes: Vec<_> = targets.iter().map(|e| e.to_glib_none()).collect();
        let t: Vec<_> = stashes.iter().map(|stash| unsafe { *stash.0 }).collect();
        let t_ptr: *mut gtk_sys::GtkTargetEntry = if !t.is_empty() {
            t.as_ptr() as *mut _
        } else {
            ptr::null_mut()
        };
        unsafe { from_glib_full(gtk_sys::gtk_target_list_new(t_ptr, t.len() as u32)) }
    }
}