package org.simantics.scl.compiler.constants.singletons;

import org.simantics.scl.compiler.constants.FunctionValue;
import org.simantics.scl.compiler.internal.codegen.references.Val;
import org.simantics.scl.compiler.internal.codegen.utils.MethodBuilder;
import org.simantics.scl.compiler.types.TVar;
import org.simantics.scl.compiler.types.Type;
import org.simantics.scl.compiler.types.Types;

public class SafeCoerce extends FunctionValue {    
    public SafeCoerce(TVar[] vars, Type in, Type out) {
        super(vars, Types.NO_EFFECTS, out, in);
    }
    
    @Override
    public Type applyExact(MethodBuilder mb, Val[] parameters) {
        parameters[0].push(mb);
        return getReturnType();
    }

    @Override
    public String toString() {
        return "safeCoerce";
    }
}