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impl_widget_callback

azul_layout

Macro impl_widget_callback 

Source 
macro_rules! impl_widget_callback {
    (
        $callback_wrapper:ident,
        $option_callback_wrapper:ident,
        $callback_value:ident,
        $callback_ty:ident
    ) => { ... };
}
Expand description

Implements Display, Debug, Copy, Clone, PartialEq, Eq, Hash, PartialOrd, Ord, Hash for a Callback with a .cb field.

This is necessary to work around for https://github.com/rust-lang/rust/issues/54508