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zerobias/tco.js

Created June 29, 2017 09:28
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Tail call optinisation detection and call stack depth counter
Raw
tco.js
let TCO_ENABLED
let stackDepth = 0
try {
(function foo(x){
stackDepth+=1
if (x < 5E5) return foo( x + 1 )
})( 1 )
TCO_ENABLED = true
}
catch (err) {
TCO_ENABLED = false
}
console.log('TCO', TCO_ENABLED, stackDepth)
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