Files
Nim/tests/closure/tcapture.nim
Clyybber f3eb0a5970 capture macro now accepts variables of different types (#13356)
* Capture macro can now accept variables of different types

* Add test

* Update examples

* Use let instead of var
2020-02-15 19:53:40 +01:00

35 lines
536 B
Nim

discard """
output: '''
to be, or not to be
(v: 1)
(w: -1)
(v: 1)
(w: -1)
'''
joinable: false
"""
import sequtils, sugar
let m = @[proc (s: string): string = "to " & s, proc (s: string): string = "not to " & s]
var l = m.mapIt(capture([it], proc (s: string): string = it(s)))
let r = l.mapIt(it("be"))
echo r[0] & ", or " & r[1]
type
O = object
v: int
U = object
w: int
var o = O(v: 1)
var u = U(w: -1)
var execute: proc()
capture o, u:
execute = proc() =
echo o
echo u
execute()
o.v = -1
u.w = 1
execute()