Type Alias PFNGLPROGRAMNAMEDPARAMETER4DVNVPROC 

pub type PFNGLPROGRAMNAMEDPARAMETER4DVNVPROC = Option<unsafe extern "C" fn(id: GLuint, len: GLsizei, name: *const GLubyte, v: *const GLdouble)>;

Aliased Type

pub enum PFNGLPROGRAMNAMEDPARAMETER4DVNVPROC {
    None,
    Some(unsafe extern "C" fn(u32, i32, *const u8, *const f64)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(u32, i32, *const u8, *const f64))

Some value of type T.