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'use strict'
const FnBase = require('./_base')
function FnY (pico, x, y) {
FnBase.call(this, pico, x, y)
this.name = 'type'
this.glyph = 'y'
this.info = 'Compares the type(num/alpha/special) of westward and eastward fns, and return 1 or 0 southward.'
this.ports = [{ x: -1, y: 0, input: true }, { x: 1, y: 0, input: true }, { x: 0, y: 1, output: true }]
this.haste = function () {
pico.lock(this.x, this.y + 1)
pico.lock(this.x + 1, this.y)
pico.lock(this.x - 1, this.y)
}
this.operation = function () {
const w = this.west()
const e = this.east()
if (!w && !this.east()) {
pico.add(this.x, this.y + 1, '1')
} else if ((w && !e) || (e && !w)) {
pico.add(this.x, this.y + 1, '0')
} else if ((w && !e) || (e && !w)) {
pico.add(this.x, this.y + 1, '0')
} else if (isNum(w.glyph) === isNum(e.glyph)) {
pico.add(this.x, this.y + 1, '1')
} else {
pico.add(this.x, this.y + 1, '0')
}
}
function isNum (c) {
return pico.lib.num[c]
}
}
module.exports = FnY
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