FlowscopeDocs

T442

record literal without a type name

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Severity Error

A brace block with field: value pairs was written without a type name in front of it. Flowscope Script has no anonymous records; each record literal names its type, so the compiler knows its fields.

Declare a type and put its name before the braces: Zone { top: h, bottom: l }.

Failing example

Flowscope Script
script "Last zone"
data chart = subscribe(data.ohlcv)
type Zone {
  top: float
  bottom: float
}
state zone: Zone? = null
plot mid = plot.line(title: "Zone midpoint")
on chart.close {
  let z = zone
  mid.plot(z != null ? (z.top + z.bottom) / 2.0 : null)
  zone = { top: chart.high ?? 0.0, bottom: chart.low ?? 0.0 }
}

Fixed example

Flowscope Script
script "Last zone"
data chart = subscribe(data.ohlcv)
type Zone {
  top: float
  bottom: float
}
state zone: Zone? = null
plot mid = plot.line(title: "Zone midpoint")
on chart.close {
  let z = zone
  mid.plot(z != null ? (z.top + z.bottom) / 2.0 : null)
  zone = Zone { top: chart.high ?? 0.0, bottom: chart.low ?? 0.0 }
}