operator - method
➖ "Subtract" a double
from this
BoxShadow, returning a new
BoxShadow
with squished, or decreased, BoxShadow.spreadRadius.
-(double spreadSquish) => this.copyWith(spreadRadius: this.spreadRadius-spreadSquish);
Implementation
BoxShadow operator -(double spreadSquish) =>
copyWith(spreadRadius: spreadRadius - spreadSquish);