text_4.js

const seneca = require('seneca')()

seneca.add('role: math, cmd: sum', function (msg, respond) {
  var sum = msg.left + msg.right
  respond(null, {answer: sum})
})

seneca.add('role: math, cmd: sum, integer: true', function (msg, respond) {
  // 复用 role:math, cmd:sum
  this.act({
    role: 'math',
    cmd: 'sum',
    left: Math.floor(msg.left),
    right: Math.floor(msg.right)
  }, respond)
})

// 匹配 role:math,cmd:sum
seneca.act('role: math, cmd: sum, left: 1.5, right: 2.5',(err, result)=>{
  console.log(result);
})

// 匹配 role:math,cmd:sum,integer:true
seneca.act('role: math, cmd: sum, left: 1.5, right: 2.5, integer: true', (err, result)=>{
  console.log(result);
})