docs: function parse (strip, associate) {
    var signature = strip.split('->')
    if (signature.length !== 2) return null
  
    // Param types:
    var params = signature[0].split(',')
    for (var i = params.length; i--;) {
      var p = params[i].trim()
      if (p === '*') params[i] = null
      else params[i] = p
    }
  
    // Return type:
    var returns = signature[1].trim()
    if (returns === '*') returns = null
  
    return associate
      ? [params, returns, associate]
      : [params, returns]
  }