43 lines
806 B
Tcl
43 lines
806 B
Tcl
# Tables
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func main():
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# Tables store key-value pairs.
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# You can define a table using `{key = value, ...}`.
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scores := {"Alice"=100, "Bob"=200}
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>> scores
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= {"Alice"=100, "Bob"=200}
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>> scores["Alice"]
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= ???
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# Accessing a missing key gives `none`
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>> scores["Zoltan"]
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= ???
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# Tables can be empty but must have key and value types:
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empty := {:Text,Int}
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>> empty
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= {}
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# You can loop over tables:
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total := 0
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for name, score in scores:
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total += score
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>> total
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= ???
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# Table keys and values can be accessed as an array:
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>> scores.keys
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= [???]
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>> scores.values
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= [???]
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# Table comprehensions let you create tables concisely:
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doubled := {k = v * 2 for k, v in scores}
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>> doubled
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= {???}
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