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22 lines
425 B
Nim
22 lines
425 B
Nim
discard """
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output: "1"
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"""
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type
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TMyTuple = tuple[a, b: int]
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proc indexOf*(t: typedesc, name: string): int {.compiletime.} =
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## takes a tuple and looks for the field by name.
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## returs index of that field.
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var
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d: t
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i = 0
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for n, x in fieldPairs(d):
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if n == name: return i
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i.inc
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raise newException(EInvalidValue, "No field " & name & " in type " &
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astToStr(t))
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echo TMyTuple.indexOf("b")
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