Commit ffa5c4e

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Added support for OUTPUT with comma separated list of StringExp

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Lines changed: 8 additions & 7 deletions

Original file line number	Diff line number	Diff line change
`@@ -20,16 +20,17 @@ class UserInput : public Expression {`
`20`	`20`	`};`
`21`	`21`
`22`	`22`	`class Output : public Tree {`
	`23`	`+ std::vector<Expression *> out;`
`23`	`24`	`public:`
`24`		`- Output(Expression *o)`
`25`		`- : Tree(o, nullptr) {}`
	`25`	`+ Output(std::vector<Expression *> &o)`
	`26`	`+ : Tree(nullptr, nullptr), out{ o } {}`
`26`	`27`	`virtual void emit() override {`
`27`		`- Expression out = dynamic_cast<Expression>(left);`
`28`		`- if (!out \|\| (out->type() != ExpI::StringT)) {`
`29`		`- throw std::runtime_error("needs to be a StringExp for output");`
`30`		`- }`
`31`	`28`	`output << indent << "print(";`
`32`		`- out->emit();`
	`29`	`+ for (auto sep = ""; auto& o : out) {`
	`30`	`+ output << sep;`
	`31`	`+ o->emit();`
	`32`	`+ sep = " + ";`
	`33`	`+ }`
`33`	`34`	`output << ");\n";`
`34`	`35`	`if (right) {`
`35`	`36`	`right->emit();`

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