t.Errorf("invalid test case: %s", test)
			continue
		}

		op, ok := optab[a[i]]
		if !ok {
			panic("missing optab entry for " + a[i])
		}

		y, y0 := val(a[i+1]), val(a[i+1])

		got := doOp(x, op, y)
		want := val(a[i+3])
		if !eql(got, want) {
			t.Errorf("%s: got %s; want %s", test, got, want)
			continue
		}

		if x0 != nil && !eql(x, x0) {
			t.Errorf("%s: x changed to %s", test, x)

// Test interface assignment.

package main

type	Iputs	interface {
	puts	(s string) string;
}

// ---------

type	Print	struct {
	whoami	int;
	put	Iputs;
}

func (p *Print) dop() string {
	r := " print " + string(p.whoami + '0')
	return r + p.put.puts("abc");
}

// ---------

type	Bio	struct {
	whoami	int;
	put	Iputs;
}

func (b *Bio) puts(s string) string {

		return Tile{}, &badPathError{path}
	}
	w := 1 << uint(h)
	if dotP := f[len(f)-2]; strings.HasSuffix(dotP, ".p") {
		ww, err := strconv.Atoi(f[len(f)-1])
		if err != nil || ww <= 0 || ww >= w {
			return Tile{}, &badPathError{path}
		}
		w = ww
		f[len(f)-2] = dotP[:len(dotP)-len(".p")]
		f = f[:len(f)-1]
	}
	f = f[3:]
	n := int64(0)
	for _, s := range f {

c&-swa.stessa-weivbew,.s&fv,tessa-weivbew,??adbmal-tcejbo-3s,dorp-&iupparme,oidutsrme,skoobetonrme,?etisbew-3s,ipa-etucexe,kcatslaud.&3s,tniopssecca-3s,?tniopssecca-3s,??uos-&em&-3s,.&3s,9duolc&-swa.stessa-weivbew,.s&fv,tessa-weivbew,??adbmal-tcejbo-3s,dorp-&iupparme,oidutsrme,skoobetonrme,?etisbew-3s,ipa-etucexe,kcatslaud.&3s,tniopssecca-3s,?tniopssecca-3s,??fa.&3s,9duolc&-swa.stessa-weivbew,.s&fv,tessa-weivbew,??adbmal-tcejbo-3s,dorp-&iupparme,oidutsrme,skoobetonrme,?etisbew-3s,ipa-etucexe,kca...

c&-swa.stessa-weivbew,.s&fv,tessa-weivbew,??adbmal-tcejbo-3s,dorp-&iupparme,oidutsrme,skoobetonrme,?etisbew-3s,ipa-etucexe,kcatslaud.&3s,tniopssecca-3s,?tniopssecca-3s,??uos-&em&-3s,.&3s,9duolc&-swa.stessa-weivbew,.s&fv,tessa-weivbew,??adbmal-tcejbo-3s,dorp-&iupparme,oidutsrme,skoobetonrme,?etisbew-3s,ipa-etucexe,kcatslaud.&3s,tniopssecca-3s,?tniopssecca-3s,??fa.&3s,9duolc&-swa.stessa-weivbew,.s&fv,tessa-weivbew,??adbmal-tcejbo-3s,dorp-&iupparme,oidutsrme,skoobetonrme,?etisbew-3s,ipa-etucexe,kca...

          <version>3.2.0</version>
        </plugin>
      </plugins>
    </pluginManagement>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-doap-plugin</artifactId>
        <version>1.2</version>
        <configuration>
          <asfExtOptions>
            <charter>The mission of the Apache Maven project is to create and maintain software

under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. en http://usefulinc.com/ns/doap# http://www.w3.org/1999/02/22-rdf-syntax-ns# http://projects.apache.org/ns/asfext# http://xmlns.com/foaf/0.1/ http://Maven.rdf.apache.org/ 2001 http://www.apache.org/licenses/LICENSE-2.0.txt Apache Maven https://maven.apache.org/ https://maven.apache.org/...