php-parser/test/code/parser/expr/closure_use_trailing_comma.test

Trailing comma in use list
-----
<?php
function() use($a,) {};
-----
!!php7
array(
    0: Stmt_Expression(
        expr: Expr_Closure(
            static: false
            byRef: false
            params: array(
            )
            uses: array(
                0: Expr_ClosureUse(
                    var: Expr_Variable(
                        name: a
                    )
                    byRef: false
                )
            )
            returnType: null
            stmts: array(
            )
        )
    )
)