if p.trace {
		defer un(trace(p, "LiteralValue"))
	}

	lbrace := p.expect(token.LBRACE)
	var elts []ast.Expr
	p.exprLev++
	if p.tok != token.RBRACE {
		elts = p.parseElementList()
	}
	p.exprLev--
	rbrace := p.expect(token.RBRACE)
	return &ast.CompositeLit{typ, lbrace, elts, rbrace}
}

// checkExpr checks that x is an expression (and not a type).

		}
	case *ast.BadExpr:
	case *ast.Ident:
	case *ast.Ellipsis:
		f.walk(&n.Elt, ctxType, visit)
	case *ast.BasicLit:
	case *ast.FuncLit:
		f.walk(n.Type, ctxType, visit)
		f.walk(n.Body, ctxStmt, visit)
	case *ast.CompositeLit:
		f.walk(&n.Type, ctxType, visit)
		f.walk(n.Elts, ctxExpr, visit)
	case *ast.ParenExpr:
		f.walk(&n.X, context, visit)
	case *ast.SelectorExpr:

	case *ast.BadExpr, *ast.Ident, *ast.BasicLit:
		// nothing to do

	case *ast.Ellipsis:
		a.apply(n, "Elt", nil, n.Elt)

	case *ast.FuncLit:
		a.apply(n, "Type", nil, n.Type)
		a.apply(n, "Body", nil, n.Body)

	case *ast.CompositeLit:
		a.apply(n, "Type", nil, n.Type)
		a.applyList(n, "Elts")

	case *ast.ParenExpr:
		a.apply(n, "X", nil, n.X)

	case *ast.SelectorExpr:

		defer un(trace(p, "LiteralValue"))
	}

	lbrace := p.expect(token.LBRACE)
	var elts []ast.Expr
	p.exprLev++
	if p.tok != token.RBRACE {
		elts = p.parseElementList()
	}
	p.exprLev--
	rbrace := p.expectClosing(token.RBRACE, "composite literal")
	return &ast.CompositeLit{Type: typ, Lbrace: lbrace, Elts: elts, Rbrace: rbrace}
}

func (p *parser) parsePrimaryExpr(x ast.Expr) ast.Expr {

	CompositeLit struct {
		Type       Expr      // literal type; or nil
		Lbrace     token.Pos // position of "{"
		Elts       []Expr    // list of composite elements; or nil
		Rbrace     token.Pos // position of "}"
		Incomplete bool      // true if (source) expressions are missing in the Elts list
	}

	// A ParenExpr node represents a parenthesized expression.
	ParenExpr struct {
		Lparen token.Pos // position of "("

	case *ast.FuncType:
		r.openScope(n.Pos())
		defer r.closeScope()
		r.walkFuncType(n)

	case *ast.CompositeLit:
		if n.Type != nil {
			ast.Walk(r, n.Type)
		}
		for _, e := range n.Elts {
			if kv, _ := e.(*ast.KeyValueExpr); kv != nil {
				// See go.dev/issue/45160: try to resolve composite lit keys, but don't
				// collect them as unresolved if resolution failed. This replicates

		panic(err)
	}

	// Replace the result with call(), which is on the next line.
	fd := file.Decls[0].(*ast.FuncDecl)
	ret := fd.Body.List[0].(*ast.ReturnStmt)
	ret.Results[0] = ret.Results[0].(*ast.CompositeLit).Elts[0]

	var buf bytes.Buffer
	if err := Fprint(&buf, fset, ret); err != nil {
		t.Fatal(err)
	}
	want := "return call()"
	if got := buf.String(); got != want {
		t.Fatalf("got %q, want %q", got, want)
	}

		p.exprList(x.Lbrace, x.Elts, 1, commaTerm, x.Rbrace, x.Incomplete)
		// do not insert extra line break following a /*-style comment
		// before the closing '}' as it might break the code if there
		// is no trailing ','
		mode := noExtraLinebreak
		// do not insert extra blank following a /*-style comment
		// before the closing '}' unless the literal is empty
		if len(x.Elts) > 0 {
			mode |= noExtraBlank
		}

	case *ast.CompositeLit:
		typ := pkg.oneLineNodeDepth(n.Type, depth)
		if len(n.Elts) == 0 {
			return fmt.Sprintf("%s{}", typ)
		}
		return fmt.Sprintf("%s{ %s }", typ, dotDotDot)

	case *ast.ArrayType:
		length := pkg.oneLineNodeDepth(n.Len, depth)
		element := pkg.oneLineNodeDepth(n.Elt, depth)
		return fmt.Sprintf("[%s]%s", length, element)

	case *ast.MapType:

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