Type Alias ExecEvalSubroutine 

pub type ExecEvalSubroutine = Option<unsafe extern "C-unwind" fn(state: *mut ExprState, op: *mut ExprEvalStep, econtext: *mut ExprContext)>;

Aliased Type

pub enum ExecEvalSubroutine {
    None,
    Some(unsafe extern "C-unwind" fn(*mut ExprState, *mut ExprEvalStep, *mut ExprContext)),
}

Variants

None

No value.

Some(unsafe extern "C-unwind" fn(*mut ExprState, *mut ExprEvalStep, *mut ExprContext))

Some value of type T.