clamp method

num clamp (
  1. num lowerLimit,
  2. num upperLimit
)

Returns this num clamped to be in the range lowerLimit-upperLimit.

The comparison is done using compareTo and therefore takes -0.0 into account. This also implies that double.nan is treated as the maximal double value.

The arguments lowerLimit and upperLimit must form a valid range where lowerLimit.compareTo(upperLimit) <= 0.

Implementation

num clamp(num lowerLimit, num upperLimit);

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https://api.dart.dev/stable/2.13.0/dart-core/num/clamp.html