Type Alias FI_FormatProc 

pub type FI_FormatProc = Option<unsafe extern "C" fn() -> *const c_char>;

Aliased Type

pub enum FI_FormatProc {
    None,
    Some(unsafe extern "C" fn() -> *const i8),
}

Variants

None

No value.

Some(unsafe extern "C" fn() -> *const i8)

Some value of type T.