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99
forEach.js
99
forEach.js
@ -33,12 +33,12 @@ var textBuffer = ""
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textBuffer +=
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`/**
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* X-Macro alternative. Defines AU_FOR_EACH[_THAT/_FIRST][_N](expandable, ...args*N)
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* X-Macro alternative. Defines AU_FOR_EACH_N(expandable, ...args*N)
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* Autogenerated by forEach.js; do not modify"
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*/
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#define _ZAUFE_FE_EXPAND(exp) exp
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#define _ZAUFE_FE_ERROR(exp) ERROR. CHECK PARAMETER COUNT. DID YOU FORGET A COMMA?
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#define AU_FE_EXPAND(exp) exp
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#define AU_FE_ERROR(exp) ERROR. CHECK PARAMETER COUNT. DID YOU FORGET A COMMA?
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`
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forN(kMaxPairedElements, function(nElements) {
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@ -52,9 +52,9 @@ forN(kMaxPairedElements, function(nElements) {
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forN(nElementsMulNCapped, function(i) {
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if (i == 0) {
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textBuffer += `#define _ZAUFE_FE_0${suffix}(expandable) \n`
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ignoreList[`_ZAUFE_FE_0_FIRST${suffix}`] = true
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ignoreList[`_ZAUFE_FE_0_THAT${suffix}`] = true
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textBuffer += `#define AU_FE_0${suffix}(expandable) \n`
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ignoreList[`AU_FE_0_FIRST${suffix}`] = true
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ignoreList[`AU_FE_0_THAT${suffix}`] = true
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return
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}
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@ -65,86 +65,83 @@ forN(kMaxPairedElements, function(nElements) {
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if (i == nElements - 1) {
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// Edge case: the trailing macro does not do anything
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// We could hack in an _LAST callback here, should a need for it arise
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textBuffer += `#define _ZAUFE_FE_${i}${suffix}(expandable)\n`
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} else if ((i == 1) && (nElements != 1)) {
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// Edge case: FOR_EACH_N(EXPANDABLE, ), where N has to be defined/has an element count of > 1, this is technically illegal
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// However, we can just ignore empty element expansions in those instances
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// We can simply use the first 'macro has 2 arguments' slot to hook these (EXPANDABLE, ) conditions
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// AU_FOR_EACH CANNOT INTRINSICALLY TELL THE DIFFERENCE BETWEEN AN EMTPY VALUE AND ARG 0
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textBuffer += `#define _ZAUFE_FE_${i}${suffix}(expandable, empty)\n`
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textBuffer += `#define AU_FE_${i}${suffix}(expandable)\n`
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} else if ((i == 1) && (nElements != 1)) {
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// Edge case: FOR_EACH_N(EXPANDABLE, ), where N has to be defined/has an element count of > 1, this is always illegal
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// However, we just ignore empty element expansions
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textBuffer += `#define AU_FE_${i}${suffix}(expandable, empty)\n`
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} else if (i % nElements == 0) {
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if (i == nElements) {
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// Edge case: the last element does not accept any parameters
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textBuffer += `#define _ZAUFE_FE_${i}${suffix}(expandable, ${X}) expandable(${X})\n`
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textBuffer += `#define AU_FE_${i}${suffix}(expandable, ${X}) expandable(${X})\n`
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} else {
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textBuffer += `#define _ZAUFE_FE_${i}${suffix}(expandable, ${X}, ...) expandable(${X}) _ZAUFE_FE_EXPAND(_ZAUFE_FE_${iM1Translated}${suffix}(expandable, __VA_ARGS__))\n`
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textBuffer += `#define AU_FE_${i}${suffix}(expandable, ${X}, ...) expandable(${X}) AU_FE_EXPAND(AU_FE_${iM1Translated}${suffix}(expandable, __VA_ARGS__))\n`
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}
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} else {
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ignoreList[`_ZAUFE_FE_${i}${suffix}`] = true
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ignoreList[`AU_FE_${i}${suffix}`] = true
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}
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var I2 = i + 1
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// Similar to above
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if (i < nElements) {
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ignoreList[`_ZAUFE_FE_${i}_THAT${suffix}`] = true
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ignoreList[`_ZAUFE_FE_${I2}_THAT${suffix}`] = true
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ignoreList[`AU_FE_${i}_THAT${suffix}`] = true
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ignoreList[`AU_FE_${I2}_THAT${suffix}`] = true
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} else if (i == nElements) {
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ignoreList[`_ZAUFE_FE_${i}_THAT${suffix}`] = true
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textBuffer += `#define _ZAUFE_FE_${I2}_THAT${suffix}(expandable, ctx, ${X}) expandable(ctx, ${X})\n`
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ignoreList[`AU_FE_${i}_THAT${suffix}`] = true
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textBuffer += `#define AU_FE_${I2}_THAT${suffix}(expandable, ctx, ${X}) expandable(ctx, ${X})\n`
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} else if ((i % nElements) == 0) {
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var offByOne = iM1Translated + 1
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if (i == nElements) {
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// Edge case: the last element does not accept any parameters
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ignoreList[`_ZAUFE_FE_${I2}_THAT${suffix}`] = true // ? dont question it
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textBuffer += `#define _ZAUFE_FE_${I2}_THAT${suffix}(expandable, ctx, ${X}) expandable(ctx, ${X})\n`
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ignoreList[`AU_FE_${I2}_THAT${suffix}`] = true // ? dont question it
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textBuffer += `#define AU_FE_${I2}_THAT${suffix}(expandable, ctx, ${X}) expandable(ctx, ${X})\n`
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} else {
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textBuffer += `#define _ZAUFE_FE_${I2}_THAT${suffix}(expandable, ctx, ${X}, ...) expandable(ctx, ${X}) _ZAUFE_FE_EXPAND(_ZAUFE_FE_${offByOne}_THAT${suffix}(expandable, ctx, __VA_ARGS__))\n`
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textBuffer += `#define AU_FE_${I2}_THAT${suffix}(expandable, ctx, ${X}, ...) expandable(ctx, ${X}) AU_FE_EXPAND(AU_FE_${offByOne}_THAT${suffix}(expandable, ctx, __VA_ARGS__))\n`
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}
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} else {
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ignoreList[`_ZAUFE_FE_${I2}_THAT${suffix}`] = true
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ignoreList[`AU_FE_${I2}_THAT${suffix}`] = true
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}
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ignoreList[`_ZAUFE_FE_${suffix}_THAT${suffix}`] = true
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ignoreList[`AU_FE_${suffix}_THAT${suffix}`] = true
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if (I2 == nElements) {
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textBuffer += `#define _ZAUFE_FE_${I2}_FIRST${suffix}(first, second, ...) \n`
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textBuffer += `#define _ZAUFE_FE_${i}_FIRST${suffix}(first, second) \n`
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}
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else
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if (i == nElements) {
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textBuffer += `#define _ZAUFE_FE_${I2}_FIRST${suffix}(first, second, ${X}) first(${X}) _ZAUFE_FE_EXPAND(_ZAUFE_FE_${iM1Translated}${suffix}(second))\n`
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} else if ((i % (nElements) == 0)) {
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if (i == 1) {
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textBuffer += `#define AU_FE_${i}_FIRST${suffix}(first, second) \n`
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}
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if (i == nElements) {
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textBuffer += `#define AU_FE_${I2}_FIRST${suffix}(first, second, ${X}) first(${X}) AU_FE_EXPAND(AU_FE_${iM1Translated}${suffix}(second))\n`
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} else if ((i % (nElements) == 0)) {
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if (i == nElements) {
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ignoreList[`_ZAUFE_FE_${I2}_FIRST${suffix}`] = true // ? dont question it
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textBuffer += `#define _ZAUFE_FE_${I2}_FIRST${suffix}(first, second, ${X}) first(${X}) _ZAUFE_FE_EXPAND(_ZAUFE_FE_${iM1Translated}${suffix}(second))\n`
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ignoreList[`AU_FE_${I2}_FIRST${suffix}`] = true // ? dont question it
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textBuffer += `#define AU_FE_${I2}_FIRST${suffix}(first, second, ${X}) first(${X}) AU_FE_EXPAND(AU_FE_${iM1Translated}${suffix}(second))\n`
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} else {
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textBuffer += `#define _ZAUFE_FE_${I2}_FIRST${suffix}(first, second, ${X}, ...) first(${X}) _ZAUFE_FE_EXPAND(_ZAUFE_FE_${iM1Translated}${suffix}(second, __VA_ARGS__))\n`
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textBuffer += `#define AU_FE_${I2}_FIRST${suffix}(first, second, ${X}, ...) first(${X}) AU_FE_EXPAND(AU_FE_${iM1Translated}${suffix}(second, __VA_ARGS__))\n`
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}
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} else {
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ignoreList[`_ZAUFE_FE_${I2}_FIRST${suffix}`] = true
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ignoreList[`AU_FE_${I2}_FIRST${suffix}`] = true
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}
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})
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// Defines a macro that effectively choses a macro given an array of macros based on the number of input arguments
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var getMacroParams = formatNParamPattern(nElementsMulNCapped, "_")
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textBuffer += `#define _ZAUFE_GET_MACRO${suffix}(${getMacroParams}, NAME,...) NAME\n`
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textBuffer += `#define AU_GET_MACRO${suffix}(${getMacroParams}, NAME,...) NAME\n`
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// Stringify the parameter portion of the prototype
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var params = formatNParamPatternReverseSuffix(nElementsMulNCapped, "_ZAUFE_FE_", suffix)
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var params2 = formatNParamPatternReverseSuffix(nElementsMulNCapped, "_ZAUFE_FE_", "_FIRST" + suffix)
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var params3 = formatNParamPatternReverseSuffix(nElementsMulNCapped, "_ZAUFE_FE_", "_THAT" + suffix)
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var params = formatNParamPatternReverseSuffix(nElementsMulNCapped, "AU_FE_", suffix)
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var params2 = formatNParamPatternReverseSuffix(nElementsMulNCapped, "AU_FE_", "_FIRST" + suffix)
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var params3 = formatNParamPatternReverseSuffix(nElementsMulNCapped, "AU_FE_", "_THAT" + suffix)
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// Replace missing macro paramaters with the _ZAUFE_FE_ERROR macro
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params = params .split(", ").map((str) => { return ignoreList[str] ? "_ZAUFE_FE_ERROR" : str}).join(", ")
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params2 = params2.split(", ").map((str) => { return ignoreList[str] ? "_ZAUFE_FE_ERROR" : str}).join(", ")
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params3 = params3.split(", ").map((str) => { return ignoreList[str] ? "_ZAUFE_FE_ERROR" : str}).join(", ")
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// Replace missing macro paramaters with the AU_FE_ERROR macro
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params = params .split(", ").map((str) => { return ignoreList[str] ? "AU_FE_ERROR" : str}).join(", ")
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params2 = params2.split(", ").map((str) => { return ignoreList[str] ? "AU_FE_ERROR" : str}).join(", ")
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params3 = params3.split(", ").map((str) => { return ignoreList[str] ? "AU_FE_ERROR" : str}).join(", ")
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textBuffer += `#define AU_FOR_EACH${suffix}(action, ...) _ZAUFE_FE_EXPAND(_ZAUFE_GET_MACRO${suffix}(_whydoweneedthis, __VA_ARGS__, ${params})(action,__VA_ARGS__))\n`
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textBuffer += `#define AU_FOR_EACH_FIRST${suffix}(action, ...) _ZAUFE_FE_EXPAND(_ZAUFE_GET_MACRO${suffix}(_whydoweneedthis, __VA_ARGS__, ${params2})(action,__VA_ARGS__))\n`
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textBuffer += `#define AU_FOR_EACH_THAT${suffix}(action, ...) _ZAUFE_FE_EXPAND(_ZAUFE_GET_MACRO${suffix}(_whydoweneedthis, __VA_ARGS__, ${params3})(action,__VA_ARGS__))\n`
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textBuffer += `#define AU_FOR_EACH${suffix}(action, ...) AU_FE_EXPAND(AU_GET_MACRO${suffix}(_whydoweneedthis, __VA_ARGS__, ${params})(action,__VA_ARGS__))\n`
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textBuffer += `#define AU_FOR_EACH_FIRST${suffix}(action, ...) AU_FE_EXPAND(AU_GET_MACRO${suffix}(_whydoweneedthis, __VA_ARGS__, ${params2})(action,__VA_ARGS__))\n`
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textBuffer += `#define AU_FOR_EACH_THAT${suffix}(action, ...) AU_FE_EXPAND(AU_GET_MACRO${suffix}(_whydoweneedthis, __VA_ARGS__, ${params3})(action,__VA_ARGS__))\n`
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textBuffer += "\n\n"
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})
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fs.writeFileSync("./Include/AuroraForEach.hpp", textBuffer)
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fs.writeFileSync("./Include/AuroraForEach.hpp", textBuffer)
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