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- var genfun = require('./')
- var multiply = function(a, b) {
- return a * b
- }
- var addAndMultiplyNumber = function(val) {
- var fn = genfun()
- ('function(n) {')
- ('if (typeof n !== "number") {') // ending a line with { will indent the source
- ('throw new Error("argument should be a number")')
- ('}')
- ('var result = multiply(%d, n+%d)', val, val)
- ('return result')
- ('}')
- // use fn.toString() if you want to see the generated source
- return fn.toFunction({
- multiply: multiply
- })
- }
- var addAndMultiply2 = addAndMultiplyNumber(2)
- console.log(addAndMultiply2.toString())
- console.log('(3 + 2) * 2 =', addAndMultiply2(3))
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