theptrk

import React from 'react'
import bindContext from './path/to/bindContext';

export default class SomeComponent extends React.Component {
  constructor() {
    super();

    // ========== Too verbose ==========
    // this.toggleEventForm = this.toggleEventForm.bind(this);
    // this.handleSubmit = this.handleSubmit.bind(this);

theptrk

/* The Black and Scholes (1973) Stock option formula */

use std::f64;

fn black_scholes(putCallFlag:&str, s:f64, x:f64, t:f64, r:f64, v:f64) -> f64 {

  let d1 = ( (s / x).ln() + (r + v * v / 2.0) * t) / ( v * t.sqrt() );
  let d2 = d1 - v * t.sqrt();