(arg)

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

• Number • Numeric Range

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

val

• Identifier: shorthand for (id)
• String: shorthand for (str)
• (:kind) • (:ref) • (:text) • (call) • (fun) • (gen) • (id) • (num) • (str) • (:into) • (:and) • (:or) • (:not) • (:replace) • (:capture)