Files
wren/test/variable/scope_if.wren
Bob Nystrom 157944aa27 Get closures working!
In the process, I had to change the grammar. There is now a strong
separation between statements and expressions. The code was just wrong
before when it popped locals at the end of a block scope because there
could be temporaries on the stack if the block was in expression
position. This fixes that.

Still need to implement closing over `this`.
2013-12-04 07:43:50 -08:00

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// Create a local scope for the 'then' expression.
var a = "out"
if (true) {
var a = "in"
}
io.write(a) // expect: out
// Create a local scope for the 'else' expression.
var b = "out"
if (false) "dummy" else {
var b = "in"
}
io.write(b) // expect: out