Files
Nim/tests/effects/tfuncs_cannot_mutate_simple.nim
2020-10-07 14:38:25 +02:00

22 lines
372 B
Nim

discard """
errormsg: "'edit' can have side effects"
nimout: '''an object reachable from 'x' is potentially mutated
tfuncs_cannot_mutate_simple.nim(17, 4) the mutation is here'''
line: 16
"""
{.experimental: "strictFuncs".}
# bug #15508
type
MyType = ref object
data: string
func edit(x: MyType) =
x.data = "hello"
let x = MyType()
x.edit()
echo x.data