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discard """
output: '''x
[10, 11, 12, 13]'''
"""
# bug #14805
type Foo = object
a: string
proc bar(f: var Foo): lent string =
result = f.a
var foo = Foo(a: "x")
echo bar(foo)
# bug #14878
# proc byLentImpl[T](a: T): lent T = a
proc byLentVar[T](a: var T): lent T =
result = a
# result = a.byLentImpl # this doesn't help
var x = 3 # error: cannot take the address of an rvalue of type 'NI *'
var xs = [10,11,12,13] # SIGSEGV
let x2 = x.byLentVar
let xs2 = xs.byLentVar
echo xs2
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