Brian McCutchon bmccutchon

## let-expressions.js
/**
 * Workaround for the lack of Scheme-style let expressions in JavaScript.
 *
 * Usage:
 * letexp((var1 = <expr1>, var2 = <expr2>, [...] varN = <exprN>) =>
 *   <body>)
 *
 * Executes and returns the result of the expression defined in <body>. Said
 * expression can make use of the variables defined above (var1, var2, etc.). In
 * general, the variables follow the the rules of ECMAScript 6 default function
	/**
	* Workaround for the lack of Scheme-style let expressions in JavaScript.
	*
	* Usage:
	* letexp((var1 = <expr1>, var2 = <expr2>, [...] varN = <exprN>) =>
	* <body>)
	*
	* Executes and returns the result of the expression defined in <body>. Said
	* expression can make use of the variables defined above (var1, var2, etc.). In
	* general, the variables follow the the rules of ECMAScript 6 default function