go/src/internal/runtime/maps/runtime_swiss.go

//go:linkname mapKeyError
func mapKeyError(typ *abi.SwissMapType, p unsafe.Pointer) error

var errNilAssign …

var zeroVal …

// mapaccess1 returns a pointer to h[key].  Never returns nil, instead
// it will return a reference to the zero object for the elem type if
// the key is not in the map.
// NOTE: The returned pointer may keep the whole map live, so don't
// hold onto it for very long.
//
//go:linkname runtime_mapaccess1 runtime.mapaccess1
func runtime_mapaccess1(typ *abi.SwissMapType, m *Map, key unsafe.Pointer) unsafe.Pointer { … }

//go:linkname runtime_mapaccess2 runtime.mapaccess2
func runtime_mapaccess2(typ *abi.SwissMapType, m *Map, key unsafe.Pointer) (unsafe.Pointer, bool) { … }

//go:linkname runtime_mapassign runtime.mapassign
func runtime_mapassign(typ *abi.SwissMapType, m *Map, key unsafe.Pointer) unsafe.Pointer { … }