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discard """
cmd: "nim check $file"
errormsg: "The `in` modifier can be used only with imported types"
nimout: '''
tinvalidinout.nim(14, 7) Error: The `out` modifier can be used only with imported types
tinvalidinout.nim(17, 9) Error: The `in` modifier can be used only with imported types
tinvalidinout.nim(18, 9) Error: The `in` modifier can be used only with imported types
'''
"""
type
Foo {.header: "foo.h", importcpp.} [in T] = object
Bar[out X] = object
x: int
proc f1[in T](x: T) = discard
proc f2[in T](x: T) {.importc: "f", header: "foo.h"}
var
f: Foo[int]
b: Bar[string]
f1 f
f2 b
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