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fowlmouth/gist:7508321

Created November 17, 2013 02:27
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gistfile1.nim
type
TEither[L,R] = object
case which: bool
of true: left: L
else: right: R
var x : TEither[string,int]
x.right = 42
x.repr.echo
x.reset
x.which = true
x.left = "hi"
x.repr.echo
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