Files
Nim/tests/vm/tcompiletimetable.nim
2021-04-04 13:47:28 -07:00

63 lines
893 B
Nim

discard """
nimout: '''
2
3
4:2
Got Hi
Got Hey
'''
output:'''
a
b
c
'''
"""
# bug #404
import macros, tables, strtabs
var ZOOT{.compileTime.} = initTable[int, int](2)
var iii {.compiletime.} = 1
macro zoo: untyped =
ZOOT[iii] = iii*2
inc iii
echo iii
zoo
zoo
macro tupleUnpack: untyped =
var (y,z) = (4, 2)
echo y, ":", z
tupleUnpack
# bug #903
var x {.compileTime.}: StringTableRef
macro addStuff(stuff, body: untyped): untyped =
result = newNimNode(nnkStmtList)
if x.isNil:
x = newStringTable(modeStyleInsensitive)
x[$stuff] = ""
macro dump(): untyped =
result = newNimNode(nnkStmtList)
for y in x.keys: echo "Got ", y
addStuff("Hey"): echo "Hey"
addStuff("Hi"): echo "Hi"
dump()
# ensure .compileTime vars can be used at runtime:
import macros
var xzzzz {.compileTime.}: array[3, string] = ["a", "b", "c"]
for i in 0..high(xzzzz): echo xzzzz[i]