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/*
* Copyright 2016 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed 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.
*/
package com.google.turbine.binder.sym;
import com.google.errorprone.annotations.Immutable;
import java.util.Objects;
import org.checkerframework.checker.nullness.qual.Nullable;
/** A type variable symbol. */
@Immutable
public class TyVarSymbol implements Symbol {
private final Symbol owner;
private final String name;
public TyVarSymbol(Symbol owner, String name) {
this.owner = owner;
this.name = name;
}
/** The type variable name. */
public String name() {
return name;
}
/** The class or method that declares this type variable. */
public Symbol owner() {
return owner;
}
@Override
public Kind symKind() {
return Kind.TY_PARAM;
}
@Override
public int hashCode() {
return Objects.hash(name, owner);
}
@Override
public boolean equals(@Nullable Object obj) {
if (!(obj instanceof TyVarSymbol)) {
return false;
}
TyVarSymbol other = (TyVarSymbol) obj;
return name.equals(other.name()) && owner().equals(other.owner());
}
@Override
public String toString() {
return name;
}
}
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