Function prefix

MathBox/mathbox-core.js:32695–32703

(id, nud)

}

function prefix(id, nud) {
  var sym = symbol(id)
  sym.nud = nud || function() {
    this.children = [expression(70)]
    this.type = 'unary'
    return this
  }
  return sym
}

function suffix(id) {
  var sym = symbol(id, 150)