glew_sys

Type Alias PFNGLDEBUGMESSAGECALLBACKPROC

source 
pub type PFNGLDEBUGMESSAGECALLBACKPROC = Option<unsafe extern "C" fn(callback: GLDEBUGPROC, userParam: *const c_void)>;

Aliased Type§

enum PFNGLDEBUGMESSAGECALLBACKPROC {
    None,
    Some(unsafe extern "C" fn(_: Option<unsafe extern "C" fn(_: u32, _: u32, _: u32, _: u32, _: i32, _: *const i8, _: *const c_void)>, _: *const c_void)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(_: Option<unsafe extern "C" fn(_: u32, _: u32, _: u32, _: u32, _: i32, _: *const i8, _: *const c_void)>, _: *const c_void))

Some value of type T.