File: tmacro4.nim

package info (click to toggle)
nim 0.19.4-1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 462,356 kB
  • sloc: sh: 11,089; ansic: 4,699; makefile: 706; python: 309; sql: 297; asm: 141; xml: 13
file content (18 lines) | stat: -rw-r--r-- 381 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
discard """
  output: "after"
"""

import
  macros, strutils

macro test_macro*(s: string, n: untyped): untyped =
  result = newNimNode(nnkStmtList)
  var ass : NimNode = newNimNode(nnkAsgn)
  add(ass, newIdentNode("str"))
  add(ass, newStrLitNode("after"))
  add(result, ass)
when isMainModule:
  var str: string = "before"
  test_macro(str):
    var i : integer = 123
  echo str