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