(module
 (type $none_=>_i32 (func (result i32)))
 (type $i32_=>_i32 (func (param i32) (result i32)))
 (memory $0 1)
 (export "memory" (memory $0))
 (export "grow" (func $0))
 (export "current" (func $1))
 (func $0 (param $var$0 i32) (result i32)
  (memory.grow
   (local.get $var$0)
  )
 )
 (func $1 (result i32)
  (memory.size)
 )
)