glew_sys

Type Alias PFNGLMAPBUFFERRANGEPROC

source 
pub type PFNGLMAPBUFFERRANGEPROC = Option<unsafe extern "C" fn(target: GLenum, offset: GLintptr, length: GLsizeiptr, access: GLbitfield) -> *mut c_void>;

Aliased Type§

enum PFNGLMAPBUFFERRANGEPROC {
    None,
    Some(unsafe extern "C" fn(_: u32, _: isize, _: isize, _: u32) -> *mut c_void),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(_: u32, _: isize, _: isize, _: u32) -> *mut c_void)

Some value of type T.