Type Alias PFNGLUSESHADERPROGRAMEXTPROC 

pub type PFNGLUSESHADERPROGRAMEXTPROC = Option<unsafe extern "C" fn(type_: GLenum, program: GLuint)>;

Aliased Type

pub enum PFNGLUSESHADERPROGRAMEXTPROC {
    None,
    Some(unsafe extern "C" fn(u32, u32)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(u32, u32))

Some value of type T.