(arg) - Python

argument and parameter positions

(arg pos? val?)

Where:

1. pos: position in the list (1-based) *
2. val: value at that position *

Examples

Find handlers whose first parameter is request.

(fun _ (arg 1 (id request)))

Selects in lines { 1 } but not in { 3 }:

def handle(request, response):
    pass
def handle_no_request(response):
    pass

---

Locate open calls that write to disk.

(call (id "open") (arg 2 (str "w")))

Selects in lines { 1 } but not in { 2, 3 }:

open(path, "w")
open(path, "r")
open(path, "wb")

---

Find calls that have at least two arguments.

(call _ (arg 2))

Selects in lines { 2, 3 } but not in { 1 }:

foo(1)
foo(1, 2)
bar(1, 2, 3)

---

Arguments

pos

1. Number
2. Numeric Range

Does NOT support: Composition — Free-form Selection — Refinement — Replacement

val

1. Identifier: shorthand for (id)
   
2. String: shorthand for (str)
   
3. (:into)
4. (:nearest)
5. (:and)
6. (:or)
7. (:not)
8. (:text)
9. (:kind)
10. (:replace)
11. (:replace-in)
12. (:capture)
13. (:ref)
14. (call)
15. (fun)
16. (gen)
17. (id)
18. (num)
19. (str)