)

// https://github.com/WebAssembly/WASI/blob/a2b96e81c0586125cc4dc79a5be0b78d9a059925/legacy/preview1/docs.md#-fd_closefd-fd---result-errno
//
//go:wasmimport wasi_snapshot_preview1 fd_close
//go:noescape
func fd_close(fd int32) Errno

// https://github.com/WebAssembly/WASI/blob/a2b96e81c0586125cc4dc79a5be0b78d9a059925/legacy/preview1/docs.md#-fd_filestat_set_sizefd-fd-size-filesize---result-errno
//

			return false
		}) {
			return
		}

		x.mode = novalue
		if check.recordTypes() {
			check.recordBuiltinType(call.Fun, makeSig(nil, x.typ))
		}

	case _Close:
		// close(c)
		if !underIs(x.typ, func(u Type) bool {
			uch, _ := u.(*Chan)
			if uch == nil {
				check.errorf(x, InvalidClose, invalidOp+"cannot close non-channel %s", x)
				return false
			}

			return false
		}) {
			return
		}

		x.mode = novalue
		if check.recordTypes() {
			check.recordBuiltinType(call.Fun, makeSig(nil, x.typ))
		}

	case _Close:
		// close(c)
		if !underIs(x.typ, func(u Type) bool {
			uch, _ := u.(*Chan)
			if uch == nil {
				check.errorf(x, InvalidClose, invalidOp+"cannot close non-channel %s", x)
				return false
			}

	IN_CLASSB_NSHIFT                            = 0x10
	IN_CLASSC_HOST                              = 0xff
	IN_CLASSC_NET                               = 0xffffff00
	IN_CLASSC_NSHIFT                            = 0x8
	IN_CLOSE                                    = 0x18
	IN_CLOSE_NOWRITE                            = 0x10
	IN_CLOSE_WRITE                              = 0x8
	IN_CREATE                                   = 0x100