</p>

<pre>
v, ok = x.(T)
v, ok := x.(T)
var v, ok = x.(T)
var v, ok interface{} = x.(T) // dynamic types of v and ok are T and bool
</pre>

<p>
yields an additional untyped boolean value. The value of <code>ok</code> is <code>true</code>
if the assertion holds. Otherwise it is <code>false</code> and the value of <code>v</code> is

pkg syscall (netbsd-arm64-cgo), const FLUSHO ideal-int
pkg syscall (netbsd-arm64-cgo), const F_MAXFD = 11
pkg syscall (netbsd-arm64-cgo), const F_MAXFD ideal-int
pkg syscall (netbsd-arm64-cgo), const F_OK = 0
pkg syscall (netbsd-arm64-cgo), const F_OK ideal-int
pkg syscall (netbsd-arm64-cgo), const F_PARAM_MASK = 4095
pkg syscall (netbsd-arm64-cgo), const F_PARAM_MASK ideal-int
pkg syscall (netbsd-arm64-cgo), const F_PARAM_MAX = 4095

pkg syscall (darwin-arm64), const F_NOCACHE ideal-int
pkg syscall (darwin-arm64), const F_NODIRECT = 62
pkg syscall (darwin-arm64), const F_NODIRECT ideal-int
pkg syscall (darwin-arm64), const F_OK = 0
pkg syscall (darwin-arm64), const F_OK ideal-int
pkg syscall (darwin-arm64), const F_PATHPKG_CHECK = 52
pkg syscall (darwin-arm64), const F_PATHPKG_CHECK ideal-int
pkg syscall (darwin-arm64), const F_PEOFPOSMODE = 3

- [`KT-15470`](https://youtrack.jetbrains.com/issue/KT-15470) Inconsistency: use-site 'set' target is a compilation error, use-site 'get' target is ok
- [`KT-57179`](https://youtrack.jetbrains.com/issue/KT-57179) FIR: preserve prefix increment behavior like in K1 by calling getter twice