F# bound context

delay.fsx

let a b c =
    b + c
let d a =
    let m = a + 1 // pretend this is opening something stateful, like a db connection
    let x y =
        m + y
    x

// f is a bound function, a has not been executed yet
let f = a 2
// g is a reference to the inner function, d has been executed
let g = d 3

// execute a with static bound context
do f 4 |> ignore
// execute x with stateful bound context
do g 5 |> ignore