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// Test while expressions.
--- while-loop-basic ---
// Should output `2 4 6 8 10`.
#let i = 0
#while i < 10 [
#(i += 2)
#i
]
// Should output `Hi`.
#let iter = true
#while iter {
iter = false
"Hi."
}
#while false {
dont-care
}
--- while-loop-expr ---
// Value of while loops.
#test(while false {}, none)
#let i = 0
#test(type(while i < 1 [#(i += 1)]), content)
--- while-loop-condition-content-invalid ---
// Condition must be boolean.
// Error: 8-14 expected boolean, found content
#while [nope] [nope]
--- while-loop-condition-always-true ---
// Error: 8-25 condition is always true
#while 2 < "hello".len() {}
--- while-loop-limit ---
// Error: 2:2-2:24 loop seems to be infinite
#let i = 1
#while i > 0 { i += 1 }
--- while-loop-incomplete ---
// Error: 7 expected expression
#while
// Error: 8 expected expression
#{while}
// Error: 9 expected block
#while x
// Error: 7 expected expression
#while
x {}
// Error: 9 expected block
#while x something
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